UPGRADE PERFORMANCE: With 6-jaw coupler and excellent durability makes the grease gun coupler can stand with max 10000 PSI jetting pressure, leakingproof. This grease gun coupler with 45mm spring mechanism design, upgrade-strong 6-jaw coupler, grease gun coupler reinforced jaws ensure long lasting and stable performance tighter and no oil leakage, use testing: Leak prevention even when tested at extreme pressures of 10, 000 PSI or higher.

UNIVERSAL COMPATIBILITY: Grease gun coupler fits all 1/8" NPT standard grease gun, pneumatic grease Gun, manual grease gun, electric grease gun, also suitable for all DIN and SAE grease nipples and all SAE and metric Zerk joints. Simply replace your existing grease gun coupler and this grease gun tool is ready for use in automotive repair, job site large machinery and axles and drive trains, it is also great for lubricating farm tractors, plows, stump pullers, disc harrows, seeders and more.

PREMIUM DURABILITY AND STURDY: The grease gun coupler is crafted with upgraded premium alloy steel for all-day performance in the indoor and outdoor, stable and reliable. Sturdy and durable to use, rust resistance, corrision resistance, longer service life. Optimizing the thickness of the steel and upgrading the 6-jaw bite lock provides a better and firmly locking. Quality steel, quality design principle, Wear-resistant and durable Long life, Lowest lifetime cost, this will be your best choice!!

GREAT REPLACEMENT GREASE GUN COUPLER: Compatible with most grease guns in market with 1/8" NPT fitting. Great and nice quality replacement grease gun coupler for aging, broken grease gun coupler. Also coming with a free 12'' hose for your convenience. Not only have a new upgraded and enhanced version (high pressure, leak-proof, fast grease filling, optimized steel thickness, 6-jaw bite lock, one-hand operation, lowest lifetime cost) but the coupler fits all 1/8" NPT standard grease gun fitting.

EASY TO USE: Grease gun coupler with smooth strong 6-jaw bite lock on function allows one-handed operation, no need to hold when lubricating, after locking the grease gun coupler, you can free your hands to operate the grease gun. Quick to connect and release, with smooth retraction mechanism, you just squeeze the trigger and aim the coupler to the grease gun fitting and insert, and release the trigger, the coupler will catch the fitting firmly. No need to hold the trigger while greasing.