Features 1、Through heat treatment, the edge of the glass cutting head can become sharper and is provided with a longer service life. 2、Triangular foot handle design is adopted in the glass hole saw bit, with which the cutter bit can be more stable during use. 3、This glass opener bit can be installed more stably by tightening the fixing screws with a wrench, thereby improving safety. 4、After precise calculation and professional design, this 14mm ceramic cutter bit can realize a working depth of 30mm. 5、The exquisite workmanship provides this opener bit the qualification to become a perfect substitute for the worn or broken ones. Specification Item Type: Glass Opener Bit Material: Alloy Steel Hole Size: Approx. 32mm/1.3in Total Length: Approx. 55mm/2.2in Working Depth: Approx. 30mm/1.2in Drill Shank Diameter: Approx. 10mm/0.4in Package List 1 x Glass Opener Bit