【SUITABLE FOR】: The locking grease coupler is suitable for a variety of 1/8 "NPT grease guns such as standard grease guns, pneumatic grease guns, manual grease guns, electric grease guns, and also for all DIN and SAE grease joints as well as all SAE and metric Zerk accessories. This rugged oil gun tool can be used for automobile repair, large machinery and shaft and transmission systems on site, and can also be used for lubrication of a variety of equipment, such as excavators, bulldozers, ship.【HIGH QUALITY】: The 10000 PSI high pressure greases gun coupler is made of high quality alloy material, which is strong and durable. Using gear design, mechanical gear mechanism, not easy to wear, long service life.The nozzle of M6, M8, M12, M14 and M16 is applicable.【SIMPLE OPERATION】: The locking grease gun connector has a locking nozzle and a thickened six-lobe lock piece. Press and hold the handle, the six-lobe lock piece is stretched out, insert the oil nozzle, release the hand and lock the lock piece, you can start to fill the oil. The oil output diameter is only 14mm, which is easy to use in small spaces. The handshaking is scientifically designed, and the pressing is effortless.【PREVENT LEAKAGE】:The high-pressure duty quick release grease coupler is rated at 10,000 PSI. Grease couplings strengthen the jaws and quality sealing gaskets to ensure lasting stability, tighter, and no oil leakage. It also ensures durable and consistent performance in high pressure environments and prevents leakage.【WHAT YOU WILL GET】: Package includes 1pc 10000 PSI locking grease gun coupler,1pc 12inch hose. Fast filling, easy and labor-saving, to provide you with a better use experience. If you have any questions before and after purchase, please feel free to contact us.