DIYHD Wall Mount Sliding Barn Door Hardware, Top Mount Spoke Wheel Roller, Stainless Steel. Material:stainless steel 304. Surface:brushed satin finish. Two rollers can bear MAX door weight 198lbs. Suitable for door thickness:1 3/8″2″. Rail length 5ft/5.5ft/6ft/6.6ft/7ft/8ft for selection. Full set hardware including. Short rails2+Tube connector1+Rail&wall connector4+End cap2pcs;(Pre-fixed on the rail). 58ft rails are 2pcs short rails with a joint in tube connector.