Box Mounting Brackets 2-1/8" Deep 24" Centers - Supports electrical boxes located between studs on 16” or 24” centers.Box Mounting Brackets 2-1/8" Deep 24" Centers features include: Supports 2-1/8" deep electrical boxes located between studs on 24” centers Boxes attach using self-tapping screws Made from Pre-Galvanized Steel Order Qty of 1 = 1 Piece Below is more info on our Box Mounting Brackets 2-1/8" Deep 24" Centers