With the Bahco 3830-146-VIP Sandflex vip hole saw, you cut clean, large 146 mm diameter holes through wood, plastic, non-ferrous metals, and stainless steel. The rugged bi-metal construction features teeth with 8% cobalt, delivering superior wear resistance and extended sharpness during heavy-duty tasks such as installing ventilation ducts or large cable conduits. Offering a maximum cutting depth of 38 mm, this hole saw also features practical side knockout slots that allow you to eject cut cores quickly and easily, keeping your workflow fast and efficient.