Features 1、Heat treated teeth For hard and soft woods, plastic, plasterboard and non ferrous metals. These hole saws can cut through wood, puff and plastic with high accuracy and create super tide cuts. 2、All 17pcs in the set are heat treated enabling them to be suitable for soft and hard wood, plasterboard, plastic and non ferrous metals. All 17pcs come in a handy blow moulded carry/storage case. 3、Get the complete hole saw kit: Upgrade your woodwork, craft and power drill equipment with this complete hole saw bundle kit. These drill hole saws are impact and wear resistant, durable and robust. 4、Thanks to their high speed steel teeth and super cutting edges, these hole saws can cut through wood, puff and plastic with high accuracy and create super tide cuts 5、This power drill hole saw set comes in a practical, portable case that allows you to keep the drill hole saws organized and within easy portable when needed. Specification Description: Heat treated teeth For hard and soft woods, plastic, plasterboard and non ferrous metals. Features: High quality 17 piece hole saw set for cutting tide accurate holes. All 17pcs in the set are heat treated enabling them to be suitable for soft and hard wood, plasterboard, plastic and non ferrous metals. All 17pcs come in a handy blow moulded carry/storage case. Package Included: Contains 13 hole saws 19, 22, 25, 28, 32, 38, 44, 51, 64, 76, 89, for 102 and 127mm 6mm (1/4") and 10mm (3/8") arbors Reinforcing plate and hex key. Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List