Quick & simple connection. Proprietary locking & quick-release mechanism, the coupler locks-on and creates a leak-proof seal. Innovative design enables quick release coupler to firmly latch onto the grease fitting, enabling hands-free greasing. No more fighting and struggling with stuck-on couplers. If a fitting becomes pressurized, just depress the thumb lever and release the coupler. No more broken-off fittings. No spurts or splashes when disconnecting. The waste and the mess are gone! A clean work environment at all times! Integrated non-return valve enables unit to be disconnected easily at pressures up to 15,000 psi (1,034 bar); Burst pressure: 22,000 psi; High quality tool steel; Hardened 4-jaws withstands high pressures without deformation; Integrated 1/8" NPT connection. Suitable for use on most hand, battery powered or air operated grease guns & bulk grease pumps; Ergonomic thumb lever design makes coupling and uncoupling totally effortless. No more tugging or time-consuming effort! No more stuck couplers - twisting, yanking or using a screwdriver to get it off; Multi-year service life: high-performance hydraulic seal. No damage to the seal, after several hundred uses - no need to buy spares kits!; Compatible with all sizes and forms of mounts. Fits all SAE and metric grease fittings; Extra Large, 5" L x 1.2" H
