This mirror door roller assembly is constructed of a steel housing and a concaved edge, plastic wheel. The housing has 3 in. mounting hole centers, it is 2-1/8 in. tall and 11/16 in. deep. This mirror door roller assembly is most commonly used on wood framed sliding mirror doors. The wheel is constructed of durable plastic which provides for a smooth, long-lasting, quiet roll and it features a narrow 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.