Prime-Line Steel Tandem Roller Assembly 1 pk

D 1736 is a Plain Back tandem roller assembly used by Smith and Carry and several patio door manufacturers of metal framed patio doors. It has an in-line tandem inner housing with 1-1/2 inch concave or grooved steel ball bearing rollers set in a stamped steel outer housing with rear adjustment. The housing is 1-1/32 inches tall and 3/4 inches wide.