Specification Brand : Generic BulletPoint1 : Stable Position: New ceramic tile positioning hole punch, exquisite design, can be positioned on smooth ceramic tiles with suction cups. BulletPoint2 : High Quality Bearings: Professional hole saw guide fixtures, high quality closed bearings, , can be used for a long time. BulletPoint3 : Large Suction Cup: The glass drilling positioner has a large suction cup, which has greater suction force and firmer, ensuring safer operation. BulletPoint4 : High Quality Material: This ceramic tile hole centering locator is made of high quality PCB material, with high hardness and long service life. BulletPoint5 : Multi Purpose: Support 4‑83mm/0.16‑3.27in drill bit clamping range, provide precise positioning, more versatile, superb craftsmanship, easy to use. ItemName : Tile Hole Drill Locator Industrial Grade 4 83mm Adjustable Hole Saw Guide Jig with Large Sucker for Glass ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 19 centimeters ItemPackageDimensions_Width : 16 centimeters ItemTypeKeyword : hole-saws Manufacturer : Generic ModelName : Genericngk5batx3r ModelNumber : Genericngk5batx3r PartNumber : Genericngk5batx3r ProductDescription : Spec: Item Type: Tile Hole Drill Locator Material: PCB Drill Bit Clamping Range: Approx. 4-83mm / 0.16-3.27in