Features: brand new and high quality This product can be used for auxiliary positioning holes. It is a high-quality glass brick hole locator; with high quality, the center clamp can be firmly fixed on a smooth surface. It is equipped with a thick rubber suction cup, which has high suction force and can be easily fixed on the punching surface by pressing the handle; simple to use and easy to operate, and the suction base has good strength. The application range is extremely wide, suitable for drilling and positioning of glass, ceramic tiles, marble, ceramics; also used for fish tanks, marble, granite, etc. The main function of the glass brick hole locator is to assist in positioning the hole. With the positioning hole opener, the drill bit will not slip because the glass and ceramic tiles are too smooth when opening the hole. Specifications: Material:Plastic Color:Green Type:Single Handle/Dual Handles Max Length:16.5cm/6.50inches Max Width:14cm/5.51inches Clamping Range:4-83mm/0.16-3.31inches Package Includes: 1 x Ceramic Tile Positioning Hole Opener note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.