This mirror door roller assembly is constructed of an extruded aluminum housing, and it comes in a milled aluminum finish. The housing measures 1-3/4 in. wide, it is 1/2 in. thick and 3 in. tall. This housing bracket also features a round extruded boss, and it is used by Monarch Door Company on their 500 series aluminum-framed doors. The wheel is constructed of durable plastic which provides for a smooth, long-lasting, quiet roll and it features steel ball bearings and a concave edge. This mirror door roller assembly mounts on the bottoms of sliding mirrored closet doors, it is adjustable once installed, and it is used by a variety of closet door manufacturers.