General description This professional circular glass cutter is designed for both hobbyists and professional glass cutters. It features a high-quality construction made from rubber and aluminum with plated copper, ensuring durability and strength. The adjustable design allows for precise cutting, with a suction cup that holds the center while the wheel cuts. Technical specifications Material: Rubber and aluminum Total length: Approx. 30 cm / 11.8 inch Suction cup diameter: Approx. 5.5 cm / 2.2 inch Lever length: Approx. 20 cm / 7.9 inch Max. circle diameter: Approx. 40 cm / 15.7 inch Package weight: Approx. 130 g Other information The lever features clear scales for easy reading.