Grease Coupler Quick Release High Pressure Grease Fittings Extensions Adapter Connect Grease Hose Adapter Fast to Lock and Release Fits 1/8 NPT Suitable for Most Grease Fittings

【Locking and sealing】---Our coupler reinforced jaws and quality sealing gasket ensure long lasting and stable performance,prevent leakage even at 14000 PSI extreme pressure. Matters needing attention:The diameter of joint is 18mm. For the case wher, 【Robust Build Quality】---This high quality coupler built with premium quality zinc coated alloy steelfor for all-day performance in the shop or garage,heavier and stronger than any other grease couplers on the market., 【One Hand Operation】---Coupler with smooth retraction mechanism allows one-hand operation. No need to hold while greasing,after locking the grease gun coupler,you can free your hands to operate the grease gun., 【Unique Design 】---Upgraded grease gun coupler have the unique and Retract Mechanism pull back the inner seal and leave outer socket ring wide open,which help locating zerk fittings at blind spot., 【Wide Application】---The portable coupler fits 1/8 NPT standard. This tool is an excellent device to have on a construction job site or in an auto mechanic garage to use on your large machinery. It is also a great lubrication tool to have at the farm