New design: double handle design for less effort when oiling and easy installation and use of the nozzle. Improved This G coupling for grease gun has a double handle, and is a grease coupling with locking that can be locked to the grease nipple and helps to eliminate the contaminants associated with lubrication.Quality materials: the grease gun nozzle is made of high-quality alloy steel and has a spring with good elasticity to ensure smooth gliding and stable performance during use, and can be used with all types of grease fillers.Reinforced clamping jaws: the sealing ring of the oil gun is made of conical rubber to ensure a leak-free coupling, high pressure resistance, hexagonal lock, no oil leakage and a very dense and durable handle transmission.Easy to use: simply grab the grease nipple and use your thumb when loosening. Easy to remove under pressure. Easily remove the adapter without pulling or using a screwdriver.Suitable for all grease guns: suitable for all grease presses with 1/8 inch NPT connection. It is suitable for all types of grease gun - pneumatic, manual and electric. Suitable for shielded connection shafts, axles, harvester assemblies, U-joints and other embedded grease nipples.