Lock and Lube's mission is to end greasing frustration. Lock and Lube owns the LockNLube® trademark and sells the world's finest equipment for machine maintenance and repair to help owners and operators keep machines running longer with less time, effort, waste, and frustration. The LockNLube® Grease Coupler is the only coupler in the world that creates a leak-free seal with all Zerk fittings, will not pop off under pressure, and still easily release under extreme pressure with a thumb lever. Now available in two barrel lengths, regular and Extra Long for recessed Zerk fittings. Dealer inquiries welcome. Contact [email protected].