YAJU Pro Drill Bit Guide Tool This drive guide for drill bits helps you more accurately determine drill location points which is important for home DIY and professional contractor projects when working with multiple surfaces. Multipurpose Surface Use The drill bit guide sleeve can be used on a range of different materials including ceramic tiles, glass, marble, slate diamond, metal, and flooring or walls. All to help ensure more effective results. Strong, Lever Action Positioning Designed to work seamlessly on smooth surfaces the vacuum-style base uses a lever action to adhere more effectively. Add strong adhesive tape to further increase the hold to ensure accuracy. Multi-Sized Drilling Holes Each drill bit drive guide features 7 individual marking holes to help you find just the right size for your drill bit and the location being drilled, which is especially important to prevent spitting or breaking. Fast, Easy, and Accurate This drill bit guide is easy to attach to surfaces and only needs to be in place long enough for you to mark your location and leave in impression, so you can make finishing the job faster and more efficient. color: as show size: as show porduct includes: 1*Pro Drill Bit Guide Tool