Uxcell Blue Ball Knob 6 Wheel Blades Gold Tone Black Glass Circle Cutter, 7-20cm Product Name : Glass Circle Cutter;Color : Black, Gold Tone, Blue Material : Plastic, Metal, Rubber, Carbide;Lever Length : 21 cm / 8.3" Cutting Radius Range : 7-20 cm / 2.7"-7.9";Max. Cutting Diameter : 40 cm / 15.7" Suction Cup Diameter : 5.5 cm / 2.2";Weight : 147g Package : 1 x Glass Circle Cutter