1Made of high quality material, durable and sturdy to use. 2Adjustable glass circle cutter, round knob, suction cup holds center while the cutter wheel scribes circles. 3The lever has clear-cut scales which make easy to read. 4Compasses style, comes with round knob handle that fits your hand. 5Suitable for glass drawing circle, lampblack machine, air conditioning chimney opening, etc.
