This patio door roller is constructed from steel and has a diameter of 7/8 in. It comes affixed to an adjustable die cast housing assembly. This roller has a flat designed not intended as a replacement for center grooved rollers.

This patio door roller is constructed from steel and has a diameter of 7/8 in. It comes affixed to an adjustable die cast housing assembly. This roller has a flat designed not intended as a replacement for center grooved rollers.