These high-quality, inexpensive equipment racks ship flat for easy storage and assemble quickly with the included allen key. Racks are constructed of 5/8 thick, high-density particle board covered with black laminate. Snap-on decorative screw caps are included. Rack rails are 1/8 thick black baked enamel steel, tapped full-hole spacing to fit all equipment. Rear rack rail option available. 15 7/8" deep. The SRK is a sloped top version with 16 vertical rack spaces and 12 sloped spaces on top. The popular RK and SRK series racks are also available with beautiful real oak laminate construction at minimal additional cost. 35" (20 space).