•Carbide Tips and a pencil-style body ergonomically designed ensure High Penetration Cut
•Micro-Teeth on carbide wheels prevent slip and crack, ensure efficient smoothly cutting and long tool life
•It is used for cutting 0.020" to 0.50" glass, and the best for cutting 0.1576/0.315" 4-8mm thick glass, such as door and windows, folding screen, outside wall glass, etc
•Using Kerosene or coal oil as coolant for better cutting result; Automatically feed oil makes the wheel lubricated better. Not necessary use coolant for less 1/8" thick