Feature 1、Made of rubber and Aluminum material with copper plated, eco-friendly, durable and sturdy to use 2、Adjustable glass circle cutter, round knob, suction cup holds center while the cutter wheel scribes circles 3、The lever has clear-cut scales which make easy to read 4、Compasses style and Max. Circle Dia. of cutting is 40cm 5、Perfect for both hobbyists and professional glass cutters Description: This circle glass cutter is made of rubber and Aluminum material with copper plated, eco-friendly, durable and sturdy to use. Compasses style, comes with round knob handle that fits in the palm of your hand. Clear-cut scale which make easy to read. It also can cut a exact round circle, nice goods at a goods price, worth buying! Features: Made of rubber and Aluminum material with copper plated, eco-friendly, durable and sturdy to use. Adjustable glass circle cutter, round knob, suction cup holds center while the cutter wheel scribes circles. The lever has clear-cut scales which make easy to read. Compasses style and Max. Circle Dia. of cutting is 40cm. Perfect for both hobbyists and professional glass cutters. Specification: Condition: New Brand Color: Shown as picture Material: Rubber and Aluminum Total Length: Approx. 30cm / 11.8inch Suction Cup Dia.: Approx. 5.5cm / 2.2inch Lever Length: Approx. 20cm / 7.9" Max. Circle Dia.: Approx. 40cm / 15.7" Package Weight: Approx. 130g Package Included: 1 x Circle Glass Cutter