General description This CSPARKV 2 Pack Professional 6 Wheel Glass Cutter is designed for precision cutting of glass, mirrors, and stained glass. It is suitable for glass thicknesses ranging from 2mm to 6mm, making it ideal for various applications including window panes, greenhouses, and craft projects. Technical specifications Cutting range: 2mm to 6mm Length: approximately 130mm (just over 12.7cm) Material of cutting wheels: tungsten carbide Usage For optimal performance, it is recommended to use glass cutting oil. This will lubricate the cutting wheel, ensuring smooth passes and precise breaks while extending the life of the glass cutter.