Precise Glass Cutting: This glass cutter is equipped with 3 diamond cutting heads. Its service life is over 20,000 m and is suitable for cutting 2-20 mm glass. The 360° roller of the cutting head ensures smooth and precise cutting. Ergonomic Handle: Its high-performance pencil-type metal handle provides a good grip, ensuring a better grip when cutting thicker glass. Practical: Add a little carbon oil to the handle for smoother cutting. The metal ball at the top of the glass cutter can break the glass by tapping. This lightweight and portable glass cutter provides increased user comfort. (Note: oil is not included). Wide Range of Uses: 3 cutting heads are suitable for different thicknesses of glass and ceramic tiles from 2 to 20 mm. Depending on the thickness and texture, you can choose a booster to increase the strength. Accessories: The pack includes a glass cutter, 2 additional cutting heads, a dropper, a screwdriver, a booster and a cutting pin.