National Hardware Box Rail Hangers

Designed for use on box rail with wood-frame sliding doors from 1-1/2″ to 2″ thick
For use with #59, #5100, #5103, #5104, #5105, #5110, #5114 or #5116 box rail
Packed with 2 end caps and bolts for attaching door strap
Adjustable both laterally and vertically
Comes with self-lubricating Delrin® bearings
Made of durable one-piece, precision-formed steel
Safe Working Load – 225 lb. per hanger