Draper 18053 32-63 mm 6-Blade Hole Saw Kit: Amazon.co.uk: DIY & Tools Suitable for cutting holes in wood or plastics. High carbon steel blades with induction hardened teeth. Box Contains 6 x Holesaw blades, diameters: 32, 38, 44, 51, 57 and 63 mm 1 x Aluminium mandrel holder with HSS pilot drill All Draper tools are manufactured to high quality standards that are strictly controlled by quality control engineers. They offer good value for money and a number of useful features to improve the performance of the product. All Draper products come backed by the Draper Tools guarantee. Draper Tools is a family-run company that has been selling high-quality tools in the United Kingdom and beyond for more than 90 years