Prime-Line 1 in. D X 1/4 in. L Mill Aluminum/Nylon Roller Assembly 1 pk

This aluminum housing with spring-loaded arm with the 1 in. high density polyethylene roller attached is used by a variety of patio door manufacturers. The roller arm is spring-loaded and adjusted by the adjustment sleeve and screw on top.1 in. high density polyethylene roller,1/4 in. wide roller,Concave (Grooved) roller,High density polyethylene roller will not rust or corrode,Spring-loaded arm with roller attached,Adjustable aluminum housing,Includes screws and adjustment sleeve,For further dimensional information, please see the line drawing