Applicator: Jar. 4 mL bottle. DeoxIT Gold Vacuum Tube SURVIVAL KIT . deoxit® mechanical and electrical marine greases. 6 mL)DeoxIT ® Shield S-Series, Brush Bottle (Part No. DeoxIT® Gold G-Series (formerly ProGold), is a unique conditioning solution that improves conductivity and provides long-lasting protection. Finally, a kit made for the care and maintenance of vacuum tube gear! DeoxIT®/DeoxIT® Gold Audio/Video/Data Connector Cleaner, Enhancer & Protector Kit Includes: DeoxIT® brush applicator (#D100L-2DB), (Applications = 500 +/- brush strokes, 10mm long) Sep 3, 2020 · Just apply and leave on for a few minutes, to overnight if oxidation is severe, then wipe off and apply the DeoxIT® Gold GxMD. 5″, provides NO flushing action, applies 100% DeoxIT® Gold. D100L-SWP10: (10 pre-treated swabs) 100% Liquid, No solvents. Add to shopping cart. K-FO79, complete kit, 1 ea. None of the bottles have ever been opened. Caig Part #SK-GxMD. 2. , 4″ ov DeoxIT® Sampler Kit, K-2CIncludes:DeoxIT® D-Series, Brush Bottle (Part No. Use: Solvent evaporates quickly, providing precise control, no dripping and overspray. Applicator: Pen, provides NO flushing action, applies 100% DeoxIT® Gold. Applicator: Pre-treated foam swabs, 6,35mm x 19,05mm x 114,3mm, provides non-abrasive wiping action, applies 100% DeoxIT®. S100L-16BX, 1. $67. DeoxIT® GOLD brush applicator (#G100L-2DB), (Applications = 500 ± brush strokes, 10mm long) Vacuum Tube Survival Kit - Caig, DeoxIT Gold. Key Features. Includes two nail polish size brush top bottles that also comes with some other cleaning accessories. A lot of us already have and use this. Toll Free: 800-CAIG-123 (800-224-4123) Business Office Hours: 8:00 AM - 4:00 PM Monday - Friday, Pacific Standard Time Lint-free swabs, brushes, cloths. Sold By Ami Ventures Inc . The little set contains all cleaning and protecting solutions. Please click on the button below for replacement and/or substitute products. Brand: Deoxit Hosa G5S-6 CAIG DeoxIT GOLD Contact Enhancer 5% Spray, 5 oz. CAIG Products AB-25 Connector Cleaning Brush 25 Pack. g IC-sockets, small plugs, etc. … Apr 5, 2018 · Darious 1002 amplifier – Fixing crackling sound with DeoxIT D5-testing with commodore 64. Applications = 50 +/- drops, 0. , 4″ overall length, loop end, Lint-free Vacuum Tube Survival Kit - Caig, DeoxIT Gold. 50 NOTE: This product ca <p>This item is new never use. Safe on plastics, use on all metal electrical connections. Your Price: $39. No flushing action. G100L-16BX, 1. Nov 8, 2010 · Dsitributed by Hosa, the Vacuum Tube Survival Kit has the cleaning fluids and tools needed to keep tube pins and sockets clean and non-oxidized. DeoxIT Gold Vacuum Tube SURVIVAL KIT. Is ideal for applying on delicate connectors and components on and in equipment. DeoxIT® Gold G-Series – Contact Enhancer, Conditioner and Protector. L260-DN1: No Particles, 28 grams. ) KITS: NEW Audio/Video Survival Kit #SK-AV35: Laptop/Tablet Cleaning Kit, #SK-LT19: DeoxIT®/DeoxIT® GOLD Kit #K-DG100L-2DB: DeoxIT® Gold Vacuum Tube Kit, #SK-GxMD: Accessory Sampler Kit, #K-AS10: DeoxIT® Sampler Kit CAIG DeoxIT® Gold Vacuum Tube Survival Kit, SK-GXMD. 30. Provides wiping action - wipe with the grain recommended. 4ml. (with and without the FLEX-TIP™ attachment) 2. DeoxIT® Gold is designed to dissolve small amounts of oxidation. Formulation: 100% DeoxIT®. Perfect to include with your high quality equipment. CAIG Rosin Soldering Flux, TYPE RSF-R80. Apr 11, 2017 · CAIG Laboratories, Inc. G100L-SWP10: (10 pre-treated… DeoxIT® DN5S-6N CAIG Cleaningspray, 5%, non-flammable. Ph: (858) 486-8388 . Provides wiping action DeoxIT® D-Series contact cleaner dissolves oxides and sulfides that form on metal surfaces. 5″) audio/video survival kit - technicians' survival kit - laptop maintenance survival kit - and more Caig DeOxIT – Gold Vacuum Tube Survival Kit. SK-AV35. 99 . CAIG SK-AV35 DeoxIT Audio/Video Survival Kit. Caig DeoxIT, Gold, Fader - 3 x 2ml squeeze tubes, 100% solution - 1 each of D100L, G100L, F100L CAIG DeoxIT® Gold GxMD Vacuum Tube Survival Kit. Free Shipping. Jun 16, 2023 · CAIG Laboratories, Inc. Toll Free: 800-CAIG-123 (800-224-4123) Business Office Hours: 8:00 AM - 4:00 PM Monday - Friday, Pacific Standard Time Jul 13, 2021 · Project Marantz 2265 Part 2: cleaning the pots knobs and switches with Deoxit. DeoxIT® DN5S-6N with Perfect-Straw™. 75″, provides NO flushing action, applies 100% DeoxIT® Gold. M260-N35. (after a recap job) DeoxIT® GOLD Electronic Maintenance Kit. Maximize New System Performance and Critical Applications. Toll Free: 800-CAIG-123 (800-224-4123) Business Office Hours: 8:00 AM - 4:00 PM Monday - Friday, Pacific Standard Time CAIG Laboratories, Inc. CAIG DeoxIT¨ GSKXMD Gold VaccumTube Survival Kit SKU: CAIG-75779. This product has been discontinued and is not available for purchase. 4 mL bottle, #GXMD-2D8 Lint Free Cloth Squares, Co Apr 12, 2024 · CAIG's vacuum tube survival kit is designed to extract maximum performance from your tube audio gear while increasing longevity. For servicing of electronics these products are indispensable. 50 *. Part Number: DN5S-6N. Apr 5, 2018 · CAIG Laboratories, Inc. 99 $ 14. Great for High-Temp environments. First Time Use: Depress tip on a surface for a minute or two until liquid flows. 2x5. $57. , 4″ overall length, loop endLint-free swabs, brushes, clothsDisplay box (8. Particles: None – infused with DeoxIT® Dx100L. 04 ml/drop) DeoxIT® Fader F100L-L2C, (Applications = 50 +/- drops, 0. It is the only product that actually penetrates plated surfaces, molecularly bonding to the base Description. Pflegt und verbessert dauerhaft Steckverbinder und Kontaktflächen aller Art. DeoxIT® DN5S-2N, mini-spray with L-M-H valve. • (2) Lint-free cleaning brushes. It provides an easy way to pick up both the DeoxIT and the Gold at 100% strength. 03 CAD Jan 12, 2010 · Hmmm - I don't see this on the CAIG website or anyplace else other than this ad. Applicator: Squeeze tube, retail package. on gold, base metals and other precious metal contacts and connections (gold, silver, rhodium, copper, bronze, nickel, etc. Vacuum tube lovers can now extract maximum performance from their tube gear using CAIG's DeoxIT Gold vacuum tube survival kit. Tempe, AZ, United States. 21 DeoxIT Gold Vacuum Tube SURVIVAL KIT. CAIG Brand Screen Cleaner, white sprayer, 22 oz. Apr 11, 2017 · Project Marantz 2265 Part 2: cleaning the pots knobs and switches with Deoxit. 95. DeoxIT® Gold Vacuum Tube Kit, #SK-GxMD NEW Audio/Video Survival Kit #SK-AV35 Accessory Sampler Kit, #K-AS10 Audiophile Survival Kit includes a bottle of the famed DeoxIT Gold Gx3 liquid, a bottle of Gx3 Equipment Cleaner Protectant, DeoxIT Gold Mini Spray, a DeoxIT Gold Pen, DeoxIT 100% Liquid in a mini-brush applicator, DeoxIT Gold 100% Liquid in a mini-brush applicator, three DeoxIT Gold Wipes, an Equipment Dusting Brush, an exclusive MicroFiber DeoxIT® X10S Instrument Oil: CONDUCTIVE INKS & PAINTS and COATINGS: ACCESSORIES (Cloth, Swabs, Brushes, Extension Tubes, etc. DeoxIT GOLD GX-MD, 100% solution, 7. Toll Free: 800-CAIG-123 (800-224-4123) Business Office Hours: 8:00 AM - 4:00 PM Monday - Friday, Pacific Standard Time DeoxIT® Gold Vacuum Tube Kit Includes: DeoxIT® D25L-25C, 25 mL bottle, DeoxIT® Gold GXMD-2DB, Brush Applicator, B-SS116, stainless steel precision cleaning brush, 1/16" dia. CAIG SK-GXMD DeoxIT Gold Vacuum Tube Survival Kit DeoxIT Technicians' Survival Kit (7 Kits): Industrial Scientific DeoxIT/DeoxIT GOLD Electronic Maintenance Kit, clamshell Includes: DeoxIT brush applicator (D100L-2DB), (Applications 500 /- brush Jan 8, 2020 - CAIG DeoxIT® GxMD Vacuum Tube Maintenance Kit. NOTE: this Mini sized spray can is discontinued. G100P:100% Liquid, No solvents, 6. With this kit, I was able to clean the sockets and tube pins which helped the old radio come back to life. 1-4 working days (Within Germany) The delivery times for shipping abroad can be found here. 04 ml/drop)DeoxIT® Gold G100L-2C, (Applications = 50 +/- drops, 0. DeoxIT® D100L Liquid Contact Cleaner and Rejuvenator, Squeeze Tube. Use: When contact and connectors are easily accessible. 75. 04 The Caig DeoxIT® Gold GxMD Vacuum Tube Survival Kit includes everything you need to properly clean the pins of vacuum tubes and tube sockets. 5″) If purchased separately = $87. CAIG Fiber Connector Cleaning Fluid, DeoxIT® Gold Vacuum Tube Survival Kit. Display box, (20. CAIG SK-GXMD DeoxIT Gold Vacuum Tube Survival Kit. </p> Description. TAD elektronikák DeoxIT G100L ecsetelő 7. Our Price: $12. But the good old standby DeoIT D5 is proven to work. Great for moving contacts. Includes: DeoxIT® D25L-25C, 25 mL bottle, Apply DeoxIT® Gold after DeoxIT® D-Series contact cleaner on plated metal surfaces, except where noted with DeoxIT® Shield S-Series below. Toll Free: 800-CAIG-123 (800-224-4123) Business Office Hours: 8:00 AM - 4:00 PM Monday - Friday, Pacific Standard Time CAIG DeoxIt. hand-e-glove® flex-tip™, extension tubes, pen tips, kits, etc. 7 x 3,8cm) CAIG DeoxIT Gold Vacuum Tube SURVIVAL KIT Clean and protect the surfaces of the high sensible vacuum tube pins and socket contacts to achieve the utmost performance quality of your amplifer. Formulation: WW Gum Rosin, Diethyene Glycol Dibutyl, Dymerex Rosin. Tempe, AZ You can simply coat along the pins of ICs, connectors, tube pins or other components or apply a small film by softly pushing the needle onto e. content: 0. 11. DeoxIT® Fader F100L Liquid Fader Contact Cleaner and Rejuvenator, Squeeze Tube. VOC and RoHS Compliant. Apr 5, 2018 · Project Marantz 2265 Part 2: cleaning the pots knobs and switches with Deoxit. SKU: CCS-503 Categories: AV123-OPTIONAL HIGH PERFORMANCE CAIG PRODUCTS, CLEANERS, Washes, Solvents & Protectants. L260-N2G, 2 grams) Part No. €49. Includes: DeoxIT® Cleaner, 25% solution, 25 mL bottle, #D25L-25C DeoxIT® GOLD GX-MD, 100% solution, 7. 19 Reviews. fill, 12 x 12 microfiber cloth. $744. SKU: DGN5S-2N Category: KITS. Use: For mechanical and electrical devices and equipment that require precise lubrication. The little set contains all cleaning and protecting solutions as well as spelcial tooling to perfectly clean tube pins and igh sensible audio signal contacts. 75 x 1. 99. Your Price: $44. Clean and protect the surfaces of the high sensible electronic equipment to achieve the outstanding performance quality. Quick-Dry, Non-Drip Solvent. 3 x 12. Applicator: Non-woven Fiber Wipes, 3. CAIG DeoxIT® Gold Vacuum Tube Survival Kit, SK-GXMD Jan 7, 2020 · #CAIG Laboratories DeoxIT® Gold GxMD Vacuum Tube Survival Kit - high Temp solution. If the surface looks dirty/oxidized, preclean with DeoxIT D-Series contact cleaner. Toll Free: 800-CAIG-123 (800-224-4123) Business Office Hours: 8:00 AM - 4:00 PM Monday - Friday, Pacific Standard Time Apr 5, 2018 · CAIG Laboratories, Inc. DGN5S-2N (40 g per can) (32 mL/can), (Applications = 200-250 +/-) Add to cart. Formulation: 100% DeoxIT® Grease L260DNp. • (1) 7. Category. Formulation: 100% DeoxIT® Gold. CAIG Guitar Care KIT (Pflege-Set für Gitarren) Das ultimative Gitarren Pflege-Kit! Vom gleichen Hersteller wie auch der phänomenale DeoxIT D5 Kontaktreiniger und das DeoxIT F5 Fader lube, Standards auf jeder Techniker Service-Werkbank, Inhalt 29 Milliliter (1. Feb 16, 2023 · CAIG Laboratories, Inc. Special additives improve conductivity and prevent dissolved oxides from re-attaching, keeping them in suspension and allowing them to be easily dispersed by the mechanical action of the contact. 27 striked off. DeoxIT® D100S-2 with Metered One-Shot valve. CAIG Products DeoxIT® G100L-25C Gold Needle Dispenser 100 Percent Solution 25ml. Applicator: Micro Brush, provides NO flushing action, applies 100% DeoxIT®, Great for OEMs or include in service kit. D100L-16BX, 1. $112. + Maintains Tactile Feel. Provides wiping action – wipe with the grain recommended. Kosárba. 04 ml/drop manufacturer description: DeoxIT® Gold (formerly ProGold), is a unique DeoxIT® Gold Pro Gx3 is the only solution for cleaning dirty tube pins that I have found and it will not turn to gunk under the high temperature of the vacuum tube pins. Includes cleaning tools that reach into tube sockets and provide scrubbing power for corrosive terminals. Description. DeoxIT® Gold G-Series, is a unique conditioning solution that improves conductivity and provides long-lasting protection on gold, base metals and other precious metal contacts and connections (gold, silver, rhodium, copper, bronze, nickel, etc. DeoxIT® Gold Vacuum Tube Kit Includes:DeoxIT® D25L-25C, 25 mL bottle,DeoxIT® Gold GXMD-2DB, Brush Applicator,B-SS116, stainless steel precision cleaning brush, 1/16″ dia. Brand New. 3. 6 mL. Available as long as stock lasts only. 1x 7. Our Price: $5. 6 mL)DeoxIT ® L260Np Grease, Squeeze tube (Part No. G100L-32: 100% Liquid, No solvents, 944 mL. 034,48 € * / Liter) 30,00 € *. Content: 2 Milliliter (€24,750. Recommended for critical applications where only slight cleaning action is necessary. DeoxIT ® Gold Vacuum Tube Kit. BULK, no blister. Key Features. Kit includes: • (1) 25 mL bottle of DeoxIT contact cleaner and rejuvenator with needle dispenser. Jun 6, 2023 · audio/video survival kit - technicians' survival kit - laptop maintenance survival kit - and more NEW DeoxIT® DN5S-2N and DeoxIT® Gold GN5S-2N are Non-flammable, non-drip and safe on plastics! Use DeoxIT® to rejuvenate and Bring Old Systems Back to Life! Use DeoxIT® Gold to protect and Maintain New System Performance! Part No. Part No. 80 *. Product information "CAIG DeoxIT® L260 Lithium Grease, No particles, 28g squeeze tube" CAIG's DeoxIT® L260 Grease is a lithium grease with unique additives to enable it to adhere and stay on the surfaces it is applied to. + FOR COMMERCIAL/INDUSTRIAL ACCOUNTS ONLY +. Thanks, CAIG Labs! Ron Cornelius – McIntosh Labs ga('ec:addImpression', { 'name': 'DeoxIT Gold Vacuum Tube SURVIVAL KIT', 'id': 'SK-GXMD', 'price': '49. Includes: DeoxIT® D25L-25C, 25 mL bottle, DeoxIT® Gold GXMD-2DB, Brush Applicator, B-SS116, stainless steel precision cleaning brush, 1/16″ dia. CAIG p/n: GN5MS-15. + Temperature Range: -26°C to 150°C. Applicator: Container, provides NO flushing action, applies 100% DeoxIT® Gold. 7 out of 5 stars 28. For reference, DeoxIT® Gold has approximately 0. + Maintains Optimum Signal Quality. Notes: General purpose flux for soldering electrical connections. Toll Free: 800-CAIG-123 (800-224-4123) Business Office Hours: 8:00 AM - 4:00 PM Monday - Friday, Pacific Standard Time Jul 12, 2014 · DeoxIT Caig New Audio/Video Survival Kit - SK-AV35 . Includes: DeoxIT® D25L-25C, 25 mL bottle DeoxIT® Gold GXMD-2DB, Brush Applicator B-SS116, stainless steel precision cleaning brush, 1/16″ dia. The tube sockets were dirty after 55 years of use (as were the tube pins). Questions in the category: AV123-kits. 12200 Thatcher Court Poway, CA 92064 USA. 36 Save - $44 Description. G100L-25C. 2x Large Troughs for soaking tube pins - Apr 23, 2023 · I inherited a 1963 Olson RA-530 CB radio from my father in law. It is the only product that actually penetrates plated surfaces, molecularly bonding to the base Apr 11, 2017 · audio/video survival kit - technicians' survival kit - laptop maintenance survival kit - and more Includes: DeoxIT DN5MS-15, (Applications = 150 +/-)DeoxIT GOLD GN5MS-15, (Applications = 150 +/-)DeoxIT FaderLube F5MS-H15, (Applications = 100 +/-)DeoxIT® D1W audio/video survival kit - technicians' survival kit - laptop maintenance survival kit - and more Caig Laboratories CAIG Labs Deoxit Gold Vacuum Tube Survival Kit SKGXMD. 04 ml/drop. other Mechanisms with Sliding Surfaces. Thank you. Use CAIG NO-CLEAN Soldering Flux, TYPE RSF-R39 for precision soldering. If surfaces look very clean, just apply the D25L, then leave on for 5 minutes, wipe and apply the DeoxIT® Gold GxMD. VOC and Part No. Audio/Video Survival Kit Includes:DeoxIT® DN5S-2N, (Applications = 350 +/-)DeoxIT® Gold GN5S-2N, (Applications = 350 +/-)DeoxIT® D1W, Individual Wipes, 3 eachDeoxIT® Gold G1W, Individual Wipes, 3 eachDeoxIT® D100L-2C, (Applications = 50 +/- drops, 0. , 4" overall length, loop end, Awesome survival kit for your tube amp! Cleans all connections in your tube sockets for better contact and better sound. Applicator: Spray, provides flushing action, briefly flammable (until solvent evaporates within 2-3 minutes). 6 mL)DeoxIT ® Gold G-Series, Brush Bottle (Part No. • (2) Foam swabs. 5 OZ/ 14g, 20ml 5%. • (2) Soaking cups. 4mL bottle of DeoxIT Gold GX-MD (high-temp contact enhancer) - Readily available in larger sizes. Please read the labels in the photograph from the manufacturer. DeoxIT® Fader F-Series – Moving Contact Lubricant for Conductive Plastic Faders and Controls. Clean and protect the surfaces of the high sensible vacuum tube pins and socket contacts to achieve the utmost performance quality of your amplifer. Original Price $82. VAT plus shipping costs. 5% deoxidizing/cleaning action. Use: Electrical soldering. 5', 'brand': 'CAIG Laboratories Inc', 'list': 'Also bought Hosa SKGXMDBULK Deoxit Gold Vacuum Tube Survival Kit. Notes: Best if surfaces are relatively clean. Use: When contact and connector are easily accessible. KEY FEATURES: Improves Part No. The more critical the connection or part, especially low current applications, DeoxIT® Gold should be the final step. conductive Description. Notes: Use when over spray is an issue. Product Description . (with and without the FLEX-TIP™ attachment) 3. AB-25. Packaging Size: 5. DeoxIT® D-Series – Contact/Connector Treatment, Deoxidizer, Rejuvenator & Protectant. Caig Labs/Deoxit. G50FW: (50 count) 100% Liquid, No solvents. K-2C DeoxIT® D25L-25C, 25 mL bottleDeoxIT® Gold GXMD-2DB, Brush ApplicatorB-SS116, stainless steel precision cleaning brush, 1/16″ dia. DeoxIT® GOLD G100L Liquid Contact Cleaner and Rejuvenator, Squeeze Tube, content: 2ml, 100% solution, squeeze tube Applications = 50 +/- drops, 0. Add to cart. Formulation: 5% DeoxIT® Gold GxL (active ingredient), 75% Solstice PF (carrier solvent), 20% propellant. 0 Reviews. $664. 4. Part Number: DN5S-6N-LMH. In Stock, delivery time approx. 83. CAIG DeoxIT Gold Vacuum Tube SURVIVAL KIT CAIG Laboratories SK-AV35 CAIG DeoxIT Contact Cleaners DX Engineering Shop CAIG Laboratories, DEOXIT F-SERIES 100% LIQUID WIT F100L-L25C Pack of 10 online at a best price in Get special offers, deals, CAIG DeoxIT® GOLD G50W Reinigungstücher mit 100% DeoxIT GOLD Tinktur, 50 Stück dose Ein sensationelles Kontaktpflegemittel aus Kalifornien. Applicator: Squeeze Tube, provides no flushing action, applies 100% DeoxIT® Fader. Formulation: 5% DeoxIT® (active ingredient), 75% . K-G1W-50: (50 count) 100% Liquid, No solvents. a Kmart Marketplace seller. ). D100L-16BX: 100% Liquid, No solvents, 1. squeeze tube 100% solution 2 DeoxIT&#174; Gold G-Series , Pre-treated Swabs, 100% solution, 6,35mm x 19,05mm x 114,3mm, 10 swabs &nbsp; Part No. Ideal for OEMs or include in service kit. , 4″ overall length, loop end,Lint-free swabs, brushes, cloths,Display box, (8. • (1) Stainless-steel precision socket cleaning brush. 4 mL bottle of DeoxIT Gold GX-MD conditioner and protector with brush applicator. + Dissolves oxidation & corrosion. Our Price: $54. 99. 0 mL. 0 x 1. RSF-R80-2: Jar, 56 grams. A great service to your customer! content: 2ml, 100% solution, squeeze tube. CAIG's vacuum tube survival kit is designed to extract maximum performance from your tube audio gear while increasing longevity. + Lubricates Faders, Switches, Potentiometers &. 2x14 cm. + Formulated for Conductive Plastics & Carbon-Based Controls. 17 900 Ft Includes 27% VAT. 7. + Reduces Wear & Abrasion. €34. D5S-6-LMH (D5S-6) (142 g / 182 ml): Original Low-Med-High Adjustable Valve. Everything is included in the picture. Készleten. deoxit® gold g-series. Specially formulated for LCD, Plasma, Touch Screens and CRT Screens. Toll Free: 800-CAIG-123 (800-224-4123) Business Office Hours: 8:00 AM - 4:00 PM Monday - Friday, Pacific Standard Time DeoxIT® D5S-6 with Perfect-Straw™. Formulation: 100% DeoxIT® Fader. Q: (18390) I own vacuum tube home audio preamplifiers. Helps extend the life of terminals from the excessive heat that tubes produce. FYL CAIG Labs G100L-2C DeoxIT® Gold 100% Solution, 2mL Squeeze Tube. 00 * / Liter) *Prices incl. HOSA GOLD VACUUM TUBE SURVIVAL KIT COM DeoxIT Cleaner, 25% solution, 25 mL bottle. Aug 11, 2022 · CAIG Laboratories, Inc. 0 x 5. CAIG Products DeoxIT® Audio Video Survival Cleaning Kit. Applicator: Clean Room Wipes, 1. $14. This restores the contact’s integrity and leaves a thin microscopic layer that protects the metal. CAIG F100L-L25C DeoxIT Fader Needle Dispenser, 100% The Caig DeoxIT® Gold GxMD Vacuum Tube Survival Kit includes everything you need to properly clean the pins of vacuum tubes and tube sockets. 0 x 3. cm yq bx az ce br wx xb zo bl