The Adjustable Multi-functional Woodworking Hole Opener is a reliable and efficient tool that meets the needs of . Its adjustable feature allows for , ensuring precise hole sizes for different materials. Its compatibility with common wood boards, gypsum boards, plastic boards, and aluminum boards makes it a versatile choice. The high hardness alloy drill bit durability and wear resistance, providing a tool. With its user-friendly design and additional functionalities, it is suitable for both DIY enthusiasts and professional carpenters, making it a must-have tool for any woodworking project. Features -Color:Multi -Material:Alloy,Steel -Size:14.60X14.60X10.80cm/5.74X5.74X4.24in -A versatile tool that can be adjusted to accommodate different hole sizes, making it suitable for various materials. -It is compatible with common wood boards, gypsum boards, plastic boards, and aluminum boards. -With its high hardness alloy drill bit, it provides a durable and efficient drilling experience. -It is easy to use and does not require professional skills, making it suitable for DIY enthusiasts and professional carpenters. -In addition to drilling, it can also be used for positioning, marking, and cutting. Package list: 1 x Round Drill Bit