Center Brace Compatible Grainger Part Number 1CHW3 1CHW4 1CHW5 1CHW6 1CHW7 1CHW8 1CHW9 1CHX1 1CHX6 1CHX7 1CHX8 1CHX9 1CHY1 1CHY3 1CHY4 13 ga Steel Gray Powder Coat Overall Depth 11 in Overall Height 4 1/2 in Overall Length 56 in Duty Rating Heavy-Duty Includes Nuts and Bolts Includes Fasteners Yes Package Quantity 3