ITEM NAME:Adjustable Compasses Type Glass Circle Circular Round Cutter Cutting Suctio I9N3 Adjustable Compasses Type Glass Circle Circular Round Cutter Cutting Suctio I9N3 Adjustable glass circle cutter, 6 Numbered Wheel, round knob, suction cup holds center while the cutter wheel scribes circles. Metal lever, clear-cut scale is for easy reading, designed for both hobbyists and professional glass cutters. Material: Plastic+Metal+Rubber Size: Lever Length(Approx)20cm Cutting Diameter Range:8-40cm Color: silver black Package Contents: 1x Circle Cutter Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.