Welcome to our store! We present our high-quality glass cutter for circles. This cutter is made of durable and robust material and is built to last. It features an adjustable design with a round knob and a suction cup that holds the center while the cutting wheel draws circles. The lever has clear scales, making it easy to read. The compass-style cutter comes with a round knob handle that fits comfortably in the hand. This glass cutter is perfect for drawing circles on glass, opening lamp machines, air conditioning chimneys, and more. Specification: - Cutting thickness: 3~12mm - Diameter: 20cm/7.9in, 40cm/15.7in, 60cm/23.6in, 80cm/31.5in (optional) Package list: - 1 x Glass Cutter 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the item, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.