Hardboard (1/4 in.) surface, attached directly over 12 gauge steel top, helps to deaden the sound of heavy blows and metal to metal contact. Top is double-reinforced with angle iron on the underside and gussets in the corners. These all-welded units ship fully assembled and ready for immediate use. Overall height is 36 in. Half-depth lower shelf with lip at rear. Capacity is 4,500 lbs.