National Hardware N183-905 Box Rail Hanger, Delrin/Steel, Zinc

Designed for use with box rail on wood-frame sliding doors from 1-1/2 to 2 in Thick. For use with #5114 and #5116 box rail. Packed with bolts for attaching door straps. Durable one piece, precision formed steel. Comes with self-lubricating Delrin bearings. Double door strap has opposing holes for bolt mounting. Safe working load - 225 lb. per hanger.