The Adjustable Multi-functional Woodworking Hole Opener is not just a drilling tool. It offers additional functionalities that enhance its versatility. Apart from drilling holes, it also be used for precise positioning, accurate marking, and even cutting. This multi-functional design saves by eliminating the need for multiple tools. Whether you are working on a DIY project or a professional woodworking task, this tool is a valuable addition to your toolkit. Features -Color:Assorted Color -Material:Metal,plastic -Size:19.50X14.50X4.50cm/7.66X5.70X1.77in -Size:12.50X12.50X2.70cm/4.91X4.91X1.06in -Size:10.00X10.00X2.70cm/3.93X3.93X1.06in -Size:8.70X8.70X2.50cm/3.42X3.42X0.98in -Size:7.50X7.50X2.50cm/2.95X2.95X0.98in -Size:6.20X6.20X2.50cm/2.44X2.44X0.98in -Size:9.00X2.50X2.50cm/3.54X0.98X0.98in -The tool allows for flexibility in adjusting hole sizes to accommodate different applications. -It is compatible with a wide range of common materials such as wood, gypsum, plastic, and aluminum. -The drill bit is made of a high hardness metal, ensuring performance. -It is suitable for use by both diy enthusiasts and professional carpenters. -The multifunctional design enhances versatility, making it a useful tool for various tasks. Package list: 1 x Set of Round Drill Bit