Feature:1. This emery drill bit hole opener has neat, smoother, no broken edges and low cutting resistance.2. Special opening design, low cutting resistance, and large chip removal port design, which is conducive to chip removal.3. Large torsion, high load bearing, effective prevention of slipping, more stable clamping, and not easy to break the handle.4. The opening speed is fast and the chip removal is easy, which can effectively improve the work efficiency.5. The diameter of this glass hole opener is about 32mm / 1.3in, and the length can up to about 66mm / 2.6in.Specification:Item Type: Glass Hole OpenerMaterial: DiamondLength: Approx. 66mm / 2.6inDiameter: Approx. 32mm / 1.3inShank Type: Triangular HandleUse: Can be used for glass, ceramic tile, stone, floor tile, marble, etc., a variety of materials hard and brittle material drilling Package List:1 x Hole Opener