Specification NameHole CuttersMaterialCarbideOverall length100 mm Diameter50 60 70 80 mm Weight1 1KgFeature Make of Carbide stable and durable long life Widely used to cut holes in a variety of material like Wood Plastic PVC Sheet Insulation Boards Thin Iron Copper Aluminum Alloy Steel etc Ideal For DIY Home and General Building Engineering Using Package Included 1x Hole Cutters