Steel, carbon, fed qq-s-698, hot or cold rolled, commercial quality, temper 3 to 5, enamel olive drab finish, 0.060 in. Thk material, 2-5/32 in. O/a w by 23-3/8 in. O/a lg by 1-9/16 in. O/a h, 1/4 in. W by 1/2 in. Lg slotted mtg hole on ea end, rh mtg application