Bottom Support Hinge with thrust bearing and grease fitting. Compatible with a variety of our top hinges including the CA345 family of adjustable weld-on top hinges, and clamp hinges. Available in zinc-plated galvanized steel and stainless steel. Supports up to 2646 lbs. when used together, based on gate dimension of 6′ 7″ H x 6′ 7″ L.