Use this mirror door roller assembly to replace old or broken parts on your steel-framed sliding mirror doors and keep your doors operating perfectly! It features snap-in bracket clips which are designed to lock into steel-framed door rails to hold the doors together, and it is made of a steel housing and a FLAT edge plastic wheel. It is strong, durable and built to last, plus the durable plastic wheel provides a smooth, long-lasting and quiet roll. This mirror door roller assembly has a 1-7/16 inch outside diameter wheel in a housing that measures 3-1/16" wide x 3-3/8" tall. Installation of this roller assembly is quick and easy. This assembly mounts into the lower corners of sliding mirrored closet doors. It is adjustable once installed, and it is used by many closet door manufacturers.