push operation, avoid axial bending. Double handle saves effort Simple installation. No need to observe when applying oil. Maximum working pressure is 10000psi (690Bar)The double handle is easier to use and will not damage the pipe. Perfect for continuous use without cracks, leakage, warping or typical wear. The sealing ring of the nozzle is made of tapered rubber to that the coupling will not leak, very tight and . Grease enters the machine, not the machine. No more grease everywhere, no more waste. End the chaos. Suitable for all grease -1/8inch NPT connector. It is suitable for all types of grease -pneumatic, manual and electric. Specification: Standard 1/8inch NPT connector Colour:silver+blue Material:Metal Package Contents: 2x Grease coupler with hose Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.