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 that the coupling will not leak, sealed and durable It works with all grease types- pneumatic, manual and electric Fits 1/8 inch NPT fitting, all and Metric Zerk coupler fittings No need to hold while greasing, Lock-on and free up both hands to operate your grease , 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 Fits all Grease -1 inch NPT fitting Fits all and Metric Zerk fittings. Simply replace your existing coupler. releases from clogged fittings, even at extreme pressures Locks clamp type grease nozzle 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, tight and durable. Grease enters the machine, not the machine. No more grease everywhere, no more waste. It is suitable for all types of grease -pneumatic, manual and electric. Color: silver Material: metal Package Contents: 1 x Locks clamp type grease nozzle 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.