22.40ct Spiral Carved Ruby Cabochon 17mm Bergeon 16200R Bushing Tool Reduced Set

22.40ct Spiral Carved Ruby Cabochon 17mm Bergeon 16200R Bushing Tool Reduced SetRubys 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

Triangular to Prevent Rolling

For adjusting the balance wheel of Omega movements for co-axial calibres listed below that require a square timiny key

Non-Euro Fitting (NEF) hand shafts

Straight end cutting

great wear resistance and excellent impact resistance

Measurement Range: 80m

Sizes: Ø6

Gas Power: 300 litres per hour

Package Weight: 80g / 2

Made from HSS

Description:

020 - Swiss Made - Delrin Tips