ITEM NAME:Grease Gun Coupler Locks on Like Air Chuck Fit SAE & Metric Zerk Fitting 1/8 Descriptio n Fearure: Dual handle is easier to use and it will not damage to the pipe. The nozzle's seal ring is made of conical rubber to ensure that the coupling will not leak, very sealed and durable. It works with all grease gun types - pneumatic, manual and electric. Fits 1/8" NPT fitting, all SAE and Metric Zerk coupler fittings. No need to hold while greasing, Lock-on and free up both hands to operate your grease gun, Easy clip-off.Maximum working pressure of 10,000PSI (690 bar). Perfect for continuous use without breakage, leakage, warping or typical wear and tear. Grease goes IN, not ON the machine. No more grease mess everywhere. Material: iron Color: silver Size: 12.5*7.5*3.0cm Product list: 1X Grease Coupler High quality buy, happy buyï ¼ Grease Gun Coupler Locks on Like Air Chuck Fit SAE & Metric Zerk Fitting 1/8".1X Grease Coupler. The nozzle's seal ring is made of conical rubber to ensure that the coupling will not leak, very sealed and durable. It works with all grease gun types - pneumatic, manual and electric.