One-gang powder-coated aluminum combination carpet and tile flange, 6'' x 5'' (152.4mm x 127mm). Accepts Ortronics MAB6TJ TracJack and MAB3S2 Series II adapters and Wiremold CM Series Open System inserts, sold separately. NOTE: UL Listed for tile, terrazzo, and carpet floors. Brass covers and flanges are not interchangeable with aluminum or nonmetallic covers and flanges. Nonmetallic covers are interchangeable with aluminum flanges. This product meets the material restrictions of RoHS