Features SUITABLE MATERIAL: Woodworking hole opener is used in wood, plastic, plywood, gypsum board, aluminum plastic board and other materials hole WIDE RANGE OF APPLICATION: Adjustable punching saw is a various purpose machine, can be matched with a variety of models, suitable for a variety of m CARBIDE TOOL HEAD: Adjustable hole saw preferably hard alloy material after tungsten steel heat treatment, bring incisive wear resistant edge, fast drilling CLEAR SCALE: Cutter dial scale using stamping process, clear and accurate, wear resistant ADJUSTABLE HOLE SIZE: The distance from the tool head to the center can be adjusted, loosen the screw can freely adjust the adjustable hole saw cutter, easy and convenient Feature: 1. 90° VERTICAL CUTTING EDGE: The tool head and the center drill keep vertical with the cutter head, possess stable positioning without deviation, fast and accurate opening Specification: Item Type: Adjustable Punching Saw Material: Nylon and zinc aluminum alloy Color: Silve and black Value Ranges: Approx. 45 ~ 130mm / 1.77 ~ 5.12in Thickness: Approx. 3 ~ 10mm / 0.12 ~ 0.39in Use: Circular punching saw is suitable for sawing solid core plate, compression plate, gypsum board, plastic, etc. Suitable for family Package List: 1 x Adjustable Punching Saw Plate 6 x Blade 1 x Positioning Drill Bit 2 x Hex Wrench 3 x Screw 1 x Nut 3 x Gasket Package List 1 x Adjustable Punching Saw Plate 6 x Blade 1 x Positioning Drill Bit 2 x Hex Wrench 3 x Screw 1 x Nut 3 x Gasket