2.84ct Octagon Cut Sapphire 8.7x7.1mm Bergeon 5430 Lever for Hairsprings

2.84ct Octagon Cut Sapphire 8.7x7.1mm Bergeon 5430 Lever for HairspringsSapphire 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

Measuring time: Automatic definition over one motor period i

Two-year warranty

Cubed Block with corresponding formers

Pusher keys: Ø3

Heated Acid Bath

Outside Teeth Diameter Ø26

24in Extension Rod

Square (3020)

Used to measure the air velocity and temperature

Environmentally-friendly and energy-saving with its COB light source

Price Per Carat (£): 12

338pcs rotary tool accessories kit