Check the listing for details. Utoolmart Glass Circular Cutter, 100cm (39-inch) Max.Round Diameter Adjustable... Condition: New. Listed at 46.49 USD. Utoolmart Glass Circular Cutter, 100cm (39-inch) Max.Round Diameter Adjustable Compasses Type Circle Cutting Tool with Suction Cup 【Size】- Cutting diameter range ≤ 100cm / 39-inch, 50cm / 20-inch lever length, fit for 3-10mm glass thickness. 【Tungsten Carbide Cutter Wheel】- Combines 6 numbered wheels design, with high hardness and sharp cutting, durable to use. 【Suction Cup】- With good suction to hold center while the cutter head can scribe an exact round circle. 【Clear Scale】- The lever has clear-cut scale, easy to read and adjust the diameter. 【Special Designe】- Compasses style with round knob handle, fits your palm and provides comfortable holding. Perfect for cutting glass art work, craft work and household uses.