The KWB 5-blade hole saw - 68-100 mm - 32 mm is ideal for making large-diameter holes in materials such as wood, plastic, chipboard and plasterboard. Whether you need to install sockets or run pipes, this bit saw will meet all your requirements. Benefits : 5 blades of different diameters Solid, reliable aluminum support plate Universal use Features: Cutting depth: 32 mm Diameters: 68, 74, 80, 90 and 100 mm Material: spring steel Item no. 499700 Packaging : KWB carbide-tipped 5-blade hole saw - 68-100 mm - 32 mmDelivered in original packaging