Features:This circle cutter is designed for both hobbyists and professional glass cutters.Compasses style, comes with round knob handle that fits in the palm of your hand.clear-cut scale which make easy to read.Innovation and advanced design, this Glass Circle Cutter can cut a exact round circle.No waste, no breakage and simple to use, great tool to have on hand. Notice:Actual color may be slightly different from the image due to different monitor and light effectPlease allow 1-3cm deviation due to manual measurementAsian size is smaller than eu/us/uk size,please compare the detail sizes with yours before purchasing. Description:Applicable industry: glass deep processingBonding agent: metal alloyProduction process: sintering Package List:1x Compasses