2.84ct Cushion Cut Sapphire 8.3x7mm Bergeon 5356 Pocket and Wrist Watch Mainspring Winder

2.84ct Cushion Cut Sapphire 8.3x7mm Bergeon 5356 Pocket and Wrist Watch Mainspring WinderSapphire 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

Steel up to Ø1

-- Magnetic driver handle

Material: Alloy

Flashlight

10cm / 4in

5mm with 17 Degree Punch

Aluminium body with a wooden handle

Yellow (Transparent) Enamel Resin

Model for removing unbreakable round watch glasses

Supplied in box

the circuit structure of the boost module can not be adjusted in short circuit way

Hand Drill Length: 12