Professional quality with hardened teeth. Equipped with a particularly sturdy die-cast aluminum housing, the hole saws are suitable for both hard and soft wood, veneered wood, and coated particle boards. Ideal for pipe penetrations, ventilation ducts, and ventilation installations in kitchens and bathrooms. Also suitable for cavities for switch and junction boxes. Diameter in mm: 46.0, 53.0, 60.0, 67.0, 74.0, 81.0.