Description<br><br> 【LOCKING AND SEALING】: Grease gun coupler 6 jaw design snaps on and off grease fittings easier, reinforced jaws and quality sealing gasket ensure long lasting and stable performance, does not leak even at 10,000 PSI extreme pressure.<br><br> 【HIGH QUALITY】: Built with premium quality Zinc Coated Alloy Steel for all-day performance in the indoor and outdoor, stable and reliable.<br><br> 【ONE HAND OPERATION】: Double handle with anti-slip design and smooth retraction mechanism allows one-hand operation, easy installation/removal. Once locks onto zerk fitting, it stays on and frees both hands to operate the grease gun.<br><br> 【WIDE APPLICATION】: Compatible with All 1/8" NPT standard, mini, battery, pneumatic, manual Grease Guns and Zerk Fittings, it also fits all DIN and SAE grease fittings, simply replace your existing grease gun couplers.<br><br> Packing list:<br><br> Grease Gun Coupler*2