Features Adjustable Diameter: This circular punch saw has multiple adjustable diameters ranging from 45‑130mm for a variety of drilling scenarios. With Cutting Blades: The adjustable punching saw is equipped with 3pcs 3 tooth cutting blades, which can be used to easily saw gypsum board and cork board, etc. High Efficiency: The round hole opener hole saw cutter kit is equipped with a positioning drill bit to saw standard round holes, which is smooth and burr free. Nylon + Zinc Aluminum Alloy Material: The adjustable hole saw is made of nylon and zinc aluminum alloy material, sturdy and durable, wear resistant and can be used for a long time. Wide Application: This adjustable punching saw has a cutting depth of up to 30mm, ideal for furniture repair and woodworking projects. Specification: Item Type: Adjustable Punching Saw Material: Nylon + Zinc Aluminum Alloy Color: Silver + Black Cutting Depth: Approx. 30mm / 1.2in Shaft Diameter: Approx. 8.5mm / 0.3in Shaft Length: Approx. 25mm / 1in Adjustable Diameter: Approx. 45-130mm / 1.8-5.1in Application: Suitable for sawing solid board, compression board, gypsum board, plastic, etc. Suitable for home repair projects Package List: 2 x Adjustable Punch Saw 3 x Blades 1 x Positioning Bit (Use Range: 0.6cm / 0.24in) 2 x Hex Wrenches 4 x Screws Package List 2 x Adjustable Punch Saw 3 x Blades 1 x Positioning Bit (Use Range: 0.6cm / 0.24in) 2 x Hex Wrenches 4 x Screws