Our Stainless Steel Cantilever Storage Rack is designed to support up to 500 (lbs) pounds per level in a free-standing position. Casters allow mobility for transport or cleaning purposes. These racks are designed for heavy-duty use. Spec’s similar to 90-1000. Cantilever arms, vertical arms and cross supports are fabricated of 11 gauge, 304 stainless steel with a No. 4 satin finish. Heavy-duty 6” or 4” diameter casters. Rubber bumpers to protect cadaver tray.