Aluminum dockboards with steel curbs are designed for extra strength and safety. Deck is made of tough aluminum alloy and curbs are structural steel, with cast tapered ends. Legs are bolted for increased durability. Locking legs are made of structural steel. Available in Widths of 60" and 72" and capacities from 10,000-20,000 pounds. - - Please Note: If using a three-wheeled lift truck with these dockboards, please be sure to order a dockboard with at least 4X (four times) the lifting capacity of the fork truck. - - Features Include: - Uneven Locking Legs for Easier Portability - Safety Curbs painted safety yellow. - Beveled Edges for smooth Entry & Exit. - Treadplate design ensures Positive Traction - Lip length is 9 inches.