The 14-piece Bosch Expert ToughMaterial hole saw set is the perfect companion for anyone who relies on quality and durability for their projects. With specially ground teeth made from hard carbide, the hole saws offer impressive strength and stability. While many hole saws quickly fail with hard materials such as screws or metal, the ToughMaterial saws have no problems with this. They cut effortlessly through wood with nails or screws, construction timber with mortar residue, steel parts, bricks, soft tiles, stainless steel and plastics. The patented slot design also ensures better visibility and makes it easier to eject the drill core. The hole saws are compatible with the Power Change Plus quick-release adapter from Bosch, making tool changes child's play. Ideal for fast, precise, , Product information:, Series: Expert, ToughMaterial, Use: For construction timber with hardened nails, bricks, stainless steel sheets, Suitable for: Drills, impact drills, Tool holder: Bosch Power-Change adapter, Standard drill chuck, Set: 14 pieces , Material suitability: Multi-purpose, sheet metal, stainless steel, tiles, wood, plastic, masonry, metal, steel, Container: Multi-purpose, sheet metal, stainless steel, tiles, wood, plastic, masonry, metal, steel, Dimensions: Diameter from 20mm to 76 mm , Working length: 60 mm, Possible cuts: For circular cut-outs, , Contents , 11x hole saw Ø 20 /22/ 25/ 32/ 35/ 40/ 44/ 51/ 60/ 68/ 76mm , 1x Power Change Plus adapter , 2x center drill 105mm (Ø 8.5mm for stone, Ø 7.15mm for sheet metal/ plastic)