Check the listing for details. US 2-4 Pcs Grease Gun Coupler Double Handle High Pressure Quick Release Lock Oil. Color: Silver, Condition: New. Listed at 18.99 USD. USA Seller, Ship Fast! Locking And Sealing :Grease gun coupler 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 extreme pressure. High Quality :Built with premium quality Zinc Coated Alloy Steel for all-day performance in the indoor and outdoor, stable and reliable. 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. Wide Application:Compatible with All mini, battery, pneumatic, manual Grease Guns and Zerk Fittings.