General description Our Diamond Drill Bit Tile Hole Locator is an adjustable tool designed for precise drilling in ceramic, glass, and marble surfaces. Featuring a double suction cup for enhanced stability, this locator ensures that the drill remains steady during operation, preventing any side bending or falling. With an adjustable opening length of 4mm to 83mm, it accommodates various hole saw sizes, making it versatile for different drilling needs. Technical specifications Material: Engineering plastic Adjustable opening length: 4mm - 83mm Usage Ideal for drilling holes in ceramic, glass, marble tiles, aquariums, and granite surfaces. Designed for use on smooth surfaces only. Other information Durable and reusable with high hardness for long service life. Compact size for easy portability and storage.