Feature: 1. ADJUSTABLE DIAMETER: This circular punch saw has multiple adjustable diameters ranging from 45‑130mm for a variety of drilling scenarios. 2. WITH CUTTING BLADES: Equipped with 3pcs 3 tooth cutting blades, which can be used to easily saw gypsum board and cork board, etc. 3. HIGH EFFICIENCY: The punching saw is equipped with a positioning drill bit to saw standard round holes, which is smooth and burr free. 4. EXCELLENT MATERIAL: Made of nylon and zinc aluminum alloy material, sturdy and durable, wear resistant and can be used for a long time. 5. 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 Saw3 x Blades1 x Positioning Bit (Use Range: 0.6cm / 0.24in)2 x Hex Wrenches4 x Screws