Product Details The triblet has a working length of 215mm (8.5″), with a total length of 300mm (12″) including handle. It has a diameter of 9 x 11 mm at the thinnest point of the triblet, and a diameter of 17 x 22 mm at the widest point. Used for forming or re-shaping metal. This mandrel is ideal for shaping metal to form pear shape bezels and settings. This solid triblet is made from hardened steel.
