Box Support Mounting Accessories Material Galvanized Steel Silver Color For Use With Drywall Applications 3/8 in to 1-1/2 in - Function For Drywall Applications From 3/8 in to 1 1/2 in Length 4 in Width 4 in Depth 0.0625 in Box Type 4 in Square - Cover Material - Cover Type Conduit Size (In.) - - Design Gasket Material - Standards UL Includes Combo Head Screws