Feature and . The latest version of the sixth generation.Upgraded design, push operation, avoid axial bending. The longer version makes the design more reasonable. 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. Ideal for continuous use without cracks, leakage, warping or typical wear. The sealing ring of the nozzle is made of tapered rubber to ensure that the coupling will not leak, very tight and durable. Grease enters the machine, not the machine. No more grease everywhere, no more waste. End the chaos.Suitable for all grease guns-1 or 8'' NPT connector. It is suitable for all types of grease guns-pneumatic, manual and electric. Fits all metric SAE and zerk accessories, compatible with all types of lubrication tools. Specification:Color:as picture shownMaterial:MetalSize: Length: 9cm or 3.54inSpecification: Standard 1 or 8'' NPT connectorPackage Included: 1x Grease coupler Note:Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.Real color may slightly different from pictures due to computer screen's resolution, brightness, contrast etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.