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Head Ø30mm
50mm (Orange) Screwdriver
Model Number: Dial Test Indicator
No risk of injury
3.13ct Octagon Cut Sapphire 9x7.4mm Bergeon 6173R Reduction Ring Head Ø30mmSapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur in orange, yellow, green, brown, purple, pink, black and colourless. Red and reddish pink coloured corundum is referred to as ruby. 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
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