1/8” XL NPT Heavy-Duty Quick Release Grease Coupler Integrated non-return valve enables unit to be disconnected easily at pressures up to 15000 PSI (1034 bar), high quality tool steel, hardened 4-jaws withstands high pressures without deformation. Extended barrel to access hard to reach and recessed. Integrated 1/8” NPT connection, suitable for use on most hand, battery powered or air operated grease guns and 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 100 uses - no need to buy spares kits. Compatible with all sizes and forms of mounts, fits all SAE and metric grease fittings. Single hand installation and removal LX-1403-XL Prop65 information pending -