[Function]: This hole drill helps you fix the angle, has strong suction, and is more convenient for drilling holes after positioning. It is suitable for positioning before drilling on flat surfaces such as glass, tiles, or any smooth surface. [Secure Suction Base]: The suction base of the tile glass hole saws core bit guide ensures the guide stays firmly in place on your desired drilling location, providing stability and precision whether you're working on walls or floors. [Material]: The glass ceramic hole drill is made from alloy and PP materials for long-term durability and reliability in applications. [Adjustable Drill Guide]: This versatile tile glass openings locator features an adjustable hole drill guide that accommodates sizes from 0.55 inch to 1.97 inches, making it ideal for a variety of drilling needs. [Efficient Water Drainage]: Designed with double drainage slots on either side of the glass ceramic tile hole opening locator, it allows for effective water management during use, enhancing performance and reducing mess. Color: As shown Material: Metal + Plastic Package Contents: 1 x Tile glass openings locator Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.