4 1/2" Square BackplateProduct Overview The WS SQ 4 1 2" Square Backplates are designed to replace standard 4 7 8" round backplates on lighting fixtures. Made in the USA, these backplates are constructed from cast aluminum to match Belfer series fixtures, including models from the 6215 and 6230 series. The square backplates provide a clean, modern aesthetic and are compatible with a range of Belfer wedges and fixtures for seamless integration. Materials Constructed from