FUNCTION This product is a glass tile hole locator, used to help position the hole. Bearing slide design makes it easy to position drill bits of different sizesSTRONG SUCTION The product has two thickened rubber suction cups with a large suction power glass tile hole locator, which can be easily attached to the perforated surface by pressing the handle.GOOD PERFORMANCE Four bearings tighten the drill bit to determine position; Two oversized positioning screws glass tile hole locator, easy to turn and lock, and precise drilling.PREVENT SOFTNESS With the glass tile hole locator positioning hole opener, there is no need to worry about the drill bit slipping because the glass and tiles are too smooth when opening the hole.MAIN APPLICATION The product is suitable for drilling and positioning glass glass tile hole locator, ceramic tile, marble and ceramic.Specifications: Product Weight: 494gProduct Material: ABS+BearingClamping Range: 4-83mm Package Size: 29mm*13.5mm*5mmUsage Steps:1. Mark the hole to be punched.2. Place the drill bit into the boundary hole for positioning and press down on the locking position of the suction cup handle.3. Turn the fixed knob to locate the fixed position of the bearing and stabilize the positioner.4. Start the drill to open the hole.Tips:Water should be added during drilling. Proper cooling can extend the life of the drill bit.Notes:1. Due to different displays and lighting effects, the actual color of the product may be slightly different from the color shown in the picture.2. Due to manual measurement, please allow 1-3mm measurement deviation.Packing List:1 x GlassTiles Hole Locator