Carbide Cutting and High Efficiency: Cutting Preferred carbide material, tungsten steel heat, sharp and wear-resistant edge,adjustable hole saw can fast drilling. The 90° vertical cutting edge, the cutter head and the center drill are perpendicular to the cutter head, the positioning is stable and not offset, and the opening is fast and accurate without burrs. Adjustable Diameter: Our adjustable hole saw a range of 45 to 130 millimeters to cater to various drilling needs. Cutting thickness: 30mm. With just one tool, you can easily cut holes of different diameters for different drilling situations. Perfect for all drilling needs. Multi-purpose: Our adjustable hole saw has Wide range of applications, Cutting thickness: 30mm, suitable for a variety of materials: such as solid wood, plasterboard, aluminum-plastic board, plastic board. NOT SUITABLE FOR: metal, slate, tile, glass.The hole cutter is compatible with standard power drills(Clamping distance>10MM electric drill), making it easy to incorporate into your existing tool collection. With Clear Scale and NO-Slip: Our adjustable hole saw has clear scale, cutter scale is made by stamping process, clear and accurate scale, wear resistance. Universal triangular connection shank design effectively prevents slippage in the process of drilling. Material: Our adjustable hole saw is sturdy and alloy material, wear resistant and can be used for a long time.This adjustable punching saw ideal for furniture repair and woodworking projects., Weight: 0.94909003791 pounds, Manufacturer: Takingup_E58_5302147