Grip-On 186-12 12-Inch Chain Pipe Cutter Locking Pliers, Heavy Duty, Orange Epoxy-Coated Cuts through galvanized steel, steel, copper, PVC and aluminum 15-Alloy steel cutting wheels evenly cut difficult to reach piping up to 1/4-Inch wall thickness Simple ratcheting action eliminates hand gripping effort and improves tracking Butterfly screw allows easy feeding while cutting Diameter Capacity of 13/16-inch (20mm) to 4-1/2-inch (115mm).Ideal for plumbing, heating and general maintenance