This tool should be used with your glass cutter machines to cut glass, ceramic and mirror more efficiently. If you are looking for this accessory, you can give it a try!Features:Preferred Material: This cutter heads is made of alloy material, and the gasket is made of high carbon steel, superior wear and corrosion resistant, not easy to rust and can provide a long service time.The Laser engraved process, its angle clearly engraved on it, is easier to read when using.The gasket with thickening and widening processing, when using can give you a more stable use experience.This tool is suitable for cutting glass, ceramic, mirror and other glass material items, has a wide application.5 types optional: There are 5 different types for you to choose from: 135, 140, 145, 150, 155. The 135 type is suitable for 1-5mm thickness glass, the 140 type is suitable for 3-8mm thickness glass, the 145 type is suitable for 5-10mm thickness glass, the 150 type is suitable for 8-10mm thickness glass, and the 155 type is suitable for 10mm glass.Specifications:Material: alloy+ high carbon steelType: 135, 140, 145, 150, 155 (optional)Cutter wheel diameter: 4mm / 0.2inShank diameter: 4mm / 0.2inLength: 20mm / 0.8inPackage size: 50 * 30 * 10mm / 2.0 * 1.2 * 0.4inPackage weight: 15g / 0.5ouncePacking list:1 * Glass Cutting Heads