National Hardware N346-207 S836-262 S836-247 Stanley Truclose Spring Hinges 3-9/16 Inch By 5-1/4 Inch Black Polymer 2 Pack

6218 series Tru-close, self closing heavy duty pool and child safe gate hinges. Features an internal spring system, ensuring effective gate closure every time. Internal stainless steel springs eliminate the need for unsightly and costly external closing springs. Use on metal gates up to 132 lb, 6 foot high by 4 foot wide with a point load of 700 lbs. Adjustable tension, easy and safe, will never rust or corrode. Super strong polymer construction, eliminates external springs. Maintenance free self lubricating. Quick and easy installation, limited lifetime warranty.