Perfect DesignGlass cutter with fixed suction cup, you can firmly hold the glass. Perfect PerformanceThe glass circle cutter is designed for an oil tank, it can be automatically filled with oil, which makes it easier to use. save time and effort and improve the success rate. High PrecisionMirror cutter with a calibrated scale to accurately adjust the size of the cutting hole.Circular glass cutter can cut a perfect circle. Good MaterialThe circular cutter has a high hardness alloy cutting wheel for easy cutting. Cutting rangeThe cutting range of the glass cutter is a circular hole with a diameter of 7-40cm. Perfect for cutting glass artwork, crafts and home uses. Feature: 1. Oil tank design, it can be automatically filled with oil, which makes it easier to use. 2. With a calibrated scale to precisely adjust the size of the cutting hole. 3. High hardness alloy cutting wheel for easy cutting. 4. The cutting range is a circular hole with a diameter of 7-40 cm. Specification: Item Type: Circle Glass Cutter Material: metal alloy Applicable industry: Glass-ceramic processing Size: approx. 40cm/15.7inch Cutting range: round hole with a diameter of 7 to 40 cm