【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.
【Precision Clean Drilling】Three tri-tooth blades can easily saw through plasterboard and cork board, and ensure fine and clean cutting with its special straight serrations. Three-blade design ensures smooth, burr-free cuts.
【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.
【Size and Packaging】Cutting Depth: 30mm, Shaft Diameter: 8.5mm, Shaft Length: 25mm, Product Diameter: 15.5cm. Package contains wrench, center drill and blade.
【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.