Hexagonal locking jaws: grease gun coupling 6-jaw design is easier to put on and snap from grease nipples, reinforced jaws and high-quality seal ensure long-lasting and stable performance, does not leak even at 10,000 PSI extreme pressure. The grease nipple with double handle is for the grease nipple M6 / M8 / M10 / M110 2. Premium material: our grease gun mouthpiece is made of solid stainless steel, which is strong and durable and has a maximum working pressure of 70 MPa. The spring has good elasticity and high toughness. Our matching hose is made of rubber which is durable and long lasting. Double handles, one-handed operation with the double handle design, it is more labour-saving when oiling. The grease gun mouthpiece is easy to install and use. The double handle makes operation more effortless and non-slip. The product includes: 1 grease gun coupling, 30 cm hose. Stop waste and mess by upgrading your grease gun with our grease gun coupling. Suitable for all grease presses the grease gun coupler is compatible with all 1/8 inch NPT standard grease guns, mini grease guns, small grease gun ends. Suitable for shielding drive shafts, harvest machine heads, waves, U-joints and other embedded grease nipples. Compatible with all grease guns.