<p>[Adjustable Diameter]The adjustable diameter of the punching saw is from 45mm to 130mm, only one tool is needed to cut holes of different diameters, saving money and space.</p> <p>[ Drilling]Three tri-tooth blades can easily saw through plasterboard and cork board, and fine and clean cutting with its special straight serrations. Three-blade design ensures smooth, burr-free cuts.</p> <p>[Easy to Use]Loosen the middle 3 screws, then adjust the diameter of the desired hole, and finally tighten the 3 screws to start drilling. Round holes of different sizes and diameters require only one drill.</p> <p>[Size and Packaging]Cutting Depth: 30mm, Shaft Diameter: 8.5mm, Shaft Length: 25mm, Product Diameter: 15.5cm. Package contains wrench, center drill and blade.</p> <p>[Wide Application]For carpenters, home decorators, contractors, professionals and DIY owners, it is a very practical tool for recessed lights, ceiling speakers, air vents and other hole cutting applications.</p> <p>Colour:Photo Color</p> <p>Material:Metal</p> <p>Package Contents:</p> <p>1 x Punching Saw Tool kit</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>