Featuring a robust carbon steel build, this drill bit locator is nice for ensuring accurate drilling in various materials. collar can be easily adjusted to set the desired depth, making it an essential tool for woodworkers and hobbyists. Its reliable performance helps prevent over-drilling, protecting your projects from damage and ensuring professional results. Features -Color:Silver -Material:Carbon steel -Size:1.60X1.60X0.80cm/0.63X0.63X0.31in -Robust Material Selection: The drill stop collar is constructed from sturdy carbon steel, ensuring it withstands the rigorous of frequent use while maintaining its effectiveness -Convenient Installation Support: Each drill stop collar set comes with a user-friendly wrench, making installation and adjustments a breeze for any user -Reliable Depth Control: With the drill bit stop collar set, you can achieve precise drilling depths consistently, avoiding any mishaps that can occur during the process -Quick and Easy Adjustments: The drill stop bit collar set allows for swift modifications to the drilling depth, making it a versatile tool for various projects -Tailored for Enthusiasts: The drill stop collar is designed for serious woodworkers and DIY enthusiasts, ensuring that precision is always within reach in your projects Package list: 8 x shaft stop collars 1 x wrench