1. Ergonomic design: The glass handle is made of iron alloy frosted particles, and the sturdy pencil-shaped metal handle has a non-slip effect, comfortable grip, economical and durable, and durable. 2. Carbide cutting wheel: The diamond alloy cutting wheel cuts cleanly, and the cutting range of the professional glass cutting wheel is expanded to 2-20mm. 3. Alloy percussion head: The professional diamond glass cutting head is made of metal and is used to cut glass and break the glass into scratches in the glass. 4. AppCATion: The glass cutting machine has a total of 3 spare cutting heads (2-6mm/6-12mm/12-20mm), suitable for glass with thickness from 2mm to 20mm. Depending on the thickness and texture, you can choose the right blade for added strength. 5. COMPACT: The manual glass cutter is lightweight, durable and designed for performance, so you can easily take it with you. Glass cutters can be used for glass, diamonds and minerals and are great for chores and cutting. PR Product feature: The diamond tip of the glass knife will automatically fill with oil when pressed, and will automatically fill with oil when in use, and will not stop oil when not in use. (It is difficult for beginners to control the force and will leak a lot of oil. It is recommended not to oil the handle during practice.) Before cutting glass, lightly wipe the grinding wheel with a cotton swab or a small oil-soaked cloth. When the amount of oil is low, rub the oil a few times. The diamond alloy glass cutting wheel has strong cutting force and wide cutting range. Product Details Take out the screwdriver Prepare a new cutting head Tighten the screws Complete replacement of the cutting head notes: 1. Select a suitable glass slide according to the thickness of the glass. 2. The glass knife cannot cut high hardness objects such as tempered glass, marble, and quartz. 3. Do not repeat marking at the same position, otherwise the cutting wheel may be damaged. 4. When using the glass cutting machine, it should be operated on a flat surface. It is best to practice several times on a piece of broken glass. Product parameters: Materials: Carbide cut-off wheel, aluminum handle. Outer packing size: 22*12.5*1.5cm Handle length: 17.5 cm Total weight: 205g Colour: Black Scope of application: cutting glass panels, mirrors, floor tiles, ceramic tiles, etc. Product list: 1*glass knife, 1*engraving pen, 1*screwdriver, 1*dropper, 2*replacement cutting head