Prime-Line Adjustable Sliding Door Tandem Roller Assembly

Tandem roller assembly with two 1-1/2 inch concave or grooved steel ball bearing rollers set in a stamped steel housing with rear adjustment. The housing is 1-1/32 inches tall and 3/4 inches wide with a 1/4-20 threaded mounting hole on the back end and an optional use 10-32 threaded hole on the top.