Prime-Line 1-1/8 in. D X 0.75 in. L Steel Roller Assembly 1 pk

This is a plain back tandem roller assembly with two 1-1/8 in. concave steel ball bearing rollers. The stamped steel housing is adjustable and used by Milgard as well as a variety of other manufacturers. Primarily used on vinyl patio doors. The housing is 3/4 in. wide and 1 in. tall with a 1/4-20 threaded mounting hole on the back end and an optional use #10-32 threaded hole on the top.