36-Tier stainless steel construction Customize with a variety of full, half and third size steam table pans and food pans for the best configuration Dual-ended locking bars prevent pans from sliding out Caster bumpers protect walls, doors and rack during minor collisions Channel ledges are tightly welded to rails providing better support for pans 4 inch dia double-bearing, full-swivel casters help stabilize weight capacity Capacity: up to 1,000 Lbs Ships knocked down 1-1/2 inch spacing between each tier