Features • Precision Engineering for Accuracy - Designed with fine production standards, this tool ensures accurate and consistent results for all your woodworking projects • Durable Aluminum Alloy Construction - Made from high-quality aluminum alloy, this puncher is built for longevity, providing reliable performance over time • Versatile Woodworking Assistance - This tool serves as an essential auxiliary for punching and locating holes, enhancing your woodworking efficiency and precision • Includes 3 Drill Guides - Comes with 3 different drill guides to accommodate various hole sizes, allowing you to tackle diverse woodworking tasks effortlessly • Color Variety for Personal Preference - Available in three attractive colors, you can choose the perfect match for your woodworking toolkit and style Features: 1、Hole saw is made from carbon steel, and practical. 2、The blade is extremely sharped, and resistance to cutting. Have good perforation capability. 3、It removes material from the edge of the hole, cutting out an disc of material. 4、 for installing locks, knobs in doors and cabinets or drilling larger diameter holes through desks etc. 5、This hole saw bit is only suitable for wood, not used in metal Specification: Features: Hole saw is made from carbon steel, and practical. The blade is extremely sharped, and resistance to cutting. Have good perforation capability. It removes material from the edge of the hole, cutting out an disc of material. for installing locks, knobs in doors and cabinets or drilling larger diameter holes through desks etc. This hole saw bit is only suitable for wood, not used in metal There are4 hole saws in different sizes that you can use to open different holes. Specification: Material: Carbon Steel Hole saw diameter: 32mm/1.3in, 38mm/1.5in, 44mm/1.7in, 54mm/2.1in Weight: Approx.209g/7.4oz Package list: 4 x Hole Saw Drill Bit 1 x extension rod 1 x hex wrench 1 x nut Package List