Heavy-Duty Quick-Release, Grease Coupler 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. Compact: 2.9” length x 1.2” height. Ideal for use in small, tight spaces LX-1403 Prop65 information pending -