22.40ct Spiral Carved Ruby Cabochon 17mm tungsten carbide draw plates Designed to provide 30% faster

Designed to provide 30% faster stock removal with large grinding segments

5mm cutting length

Widely used in the Swiss watch industry

3 or 6 litres

*Press the knob or start-stop button to stop the alarm

22.40ct Spiral Carved Ruby Cabochon 17mm tungsten carbide draw plates Designed to provide 30% fasterRubys hues vary from orangey red to purplish red and the presence of chromium is the trace element that causes the unparalleled ruby red colour. The most valuable colour is the pigeons blood variety which is a vibrant red without any orange or purple tint. The name ruby derives from the word ruber that means red in Latin and it is the most valuable variety of the corundum species. Some rubies display the gemmological phenomenon called asterism where