4.71ct Octagon Cut Tourmaline 9.6x8.4mm Bergeon Watch Winders Calibre ETA 7001 Once the edge of a

Once the edge of a stud has been detected

Tapered Spindle design operating at a 45-degree angle which is adjustable to suit your needs to provide optimum visibility and accessibility

Has a hollow cavity for storage and easy access to tools

Machine dimensions: 65 x 30 x 57cm (W x D x H)

Hard-wearing and does not rust

4.71ct Octagon Cut Tourmaline 9.6x8.4mm Bergeon Watch Winders Calibre ETA 7001 Once the edge of aTourmalines are found in a wide range of colours, pink, green, blue, orange, yellow, brown, black, and colourless. Bi coloured Tourmalines are also common and stones which are coloured pink to green are known as watermelon tourmaline. Tourmalines can also display cat's eye chatoyancy, which is caused by parallel fibres running through the stone.; Tourmaline is found in many countries including Madagascar, Brazil, USA, Burma, Sri Lanka, Botswana and