Prime-Line N 6724 Door Roller, 23/32 in Dia Roller, Steel, 4-Roller, 100 lb, Top Mounting

N 6724 is a four roller pocket door roller assembly used on Kennaframe pocket doors and others. The four 23/32 in Dia nylon rollers are affixed to an adjustable spring loaded steel bracket. They ride in a double track mounted in the top of the pocket door opening. It has a dial-adjust wheel that makes it adjustable up to 3/8 in height. It can be used on pocket doors 1 in to 1-3/4 in thick and up to 100 lb. each.