DEWALT DCAVR332 Contractor aluminum 2 Bar Van Rack Tri slot reinforced bars for added strength rigidity and accessory attachment 6000 grade aluminum design provides added strength to carry up to 500 pounds and resists rusting for a lifetime Heavy duty die cast feet with stainless steel hardware for maximum strength durability and corrosion protection 4 adjustable load stops slide across each load bar for safe and secure attachment of equipment and materials ProTec strips designed into load bars to protect against wear on equipment and damage to building materials