Glass Ceramic Hole Drill Guide Material Made from stainless steel and rubber to provide long term durability and reliability in a variety of applications. Function Helps fix the drilling angle with a strong suction base. Once position is determined, drilling is more convenient and precise. Suitable for fixing the position before drilling on flat surfaces such as glass, tiles, marble, or any smooth surface. Adjustable Drill Guide Features an adjustable hole drill guide that covers sizes from 6 mm to 83 mm (0.24 inch to 3.27 inch), making it versatile for a wide range of drill needs. Efficient Water Inlet Includes a water inlet slot on the opening to enable effective water management during use, improving performance and reducing mess. Key Benefits Durable construction from stainless steel and rubber for reliability. Strong suction base provides stable positioning during drilling. Wide hole size range supports many common drilling tasks. Built in water inlet helps manage coolant and dust, keeping work area cleaner. Use Scenarios Drilling precise holes in glass panels for shower doors, partitions, or shelves. Creating clean, accurate holes in ceramic tiles for electrical outlets, switches, or plumbing fixtures in kitchens and bathrooms. Working with smooth marble countertops or tile backsplashes to install brackets, towel racks, or other accessories. Compatibility and Performance Designed for flat, smooth surfaces such as glass, tiles, and marble. Provides reliable positioning and controlled drilling to improve accuracy and reduce damage.