Gardner bender punches clean, burr-free bolt and small conduit holes in mild steel plates, beams, railings, bus bars or angle iron up to 1/2″ thick. features: portable or fixed applications. Lift and position with easy-carry handle or mount for production setups. Height 133/4″, weight 35 lbs. four punch and die sets included for round holes 7/16″ – 13/16″ diameter (gives clearance for 3/8″, 1/2″, 5/8″ or 3/4″ bolts or conduit) plus die changeover tool set. Throat depth 3″. holding plates grip work while punching to prevent binding and clamp punch in place to free operators hands.