v6216, tru-close, self closing gate pvc hinges, feature an internal spring system, ensuring effective gate closure every time, internal stainless steel springs eliminate the need for unsightly & costly external closing springs, use on vinyl or wood gates sizes up to 5' h x 3' w, 55 lb & point load of 450 lb, adjustable tension, easy & safe, will never rust or corrode, super strong polymer construction, eliminates external springs, maintenance free self lubricating, quick & easy installation, limited lifetime warranty.