Feature: 1. 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. 2. Laser engraved process, its angle clearly engraved on it, easier to read when using. 3. The gasket with thickening and widening processing, when using can give you a more stable use experience. 4. This tool suitable for cutting , ceramic, mirror and other material items, has a wide applications. 5. 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 , the 140° type is suitable for 3-8mm thickness , the 145° type is suitable for 5-10mm thickness , the 150° type is suitable for 8-10mm thickness , and the 155° type is suitable for ≥10mm . Specification: This tool should be used with your cutter machines to cut , 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 , ceramic, mirror and other 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 , the 140° type is suitable for 3-8mm thickness , the 145° type is suitable for 5-10mm thickness , the 150° type is suitable for 8-10mm thickness , and the 155° type is suitable for ≥10mm . Specifications: Material: alloy+ high carbon steel Type: 135°, 140°, 145°, 150°, 155° (optional) Cutter wheel diameter: 4mm / 0.2in Shank diameter: 4mm / 0.2in Length: 20mm / 0.8in Package size: 50 * 30 * 10mm / 2.0 * 1.2 * 0.4in Package weight: 15g / 0.5ounce Packing list: 1 * Cutting Heads Package List: 1 * Cutting Heads