EATON B-Line Series Single Channel Bracket, Cantilever, Series: B409, 480 lb Load, 2 Holes, 24 in Length, 2 in Width, 4-5/8 in Depth, 7/32 in Thickness, 9/16 in Dia Hole, 3 in Hole Spacing, Vertical (Zero-U) Mounting, For Use With: B22 Series Channel, Steel, Electro-Plated Zinc