Perfectly designed glass knife with fixed suction cup, which can hold the glass. The round Performance glass cutters fit perfectly into the oil tank and can be filled automatically, making them easy to use. Save time and effort, improve the success rate High precision mirror cutter with scale, can accurately adjust the cutting hole size. The round glass cutter can cut perfect circles. The good material circular knife has high hardness alloy cutting wheel, easy to cut. Cutting range The cutting range of the glass cutting machine is a round hole with a diameter of 13.5 to 60 cm. Ideal for cutting glass for arts, crafts and home. Features: 2. Fuel tank design, automatic filling, more convenient to use. 3. With a scale, it can accurately adjust the cutting hole size. 4. High hardness alloy cutter wheel, easy to cut. 5. The cutting range is a round hole with a diameter of 13.5 to 60 cm. Specifications: Item Type: Round Glass Cutter Material: Metal union Applicable industry: glass ceramic