0.73ct Round Faceted Sapphire 5.5mm Special Shaped Hole Punch Set

0.73ct Round Faceted Sapphire 5.5mm Special Shaped Hole Punch SetSapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur. The variety in colours is due to trace amounts of elements such as iron, titanium, chromium, copper and magnesium. Mohs Scale of Hardness: 9 (out of 10). Sources: Mines that have yielded the finest sapphires in colour and clarity are located in Kashmir, Myanmar and Sri Lanka. Nowadays the main sources of sapphires are:

5V AAA (not included)

Iron Color: grey

Zeroing function

Dumont Super Hi-Tec – Titanium

Vibration: 18000

10mm Tungsten Drill

Required amount of electrolyte for the first filling 4 x M20880

Cyclomatic Synchronous Motor with Gear

Ø6mm x 10mm x 1

Ø110mm at neck

You can conveniently adjust the output with the encoder

Bushing Rods & Pin Wire: 10 PACK Multiple-use assorted wire for clock and watchmakers and repairers