Miniature mandrel for forming settings, links or connectors Measures 2.5mm to 11.8mm diameter Made from hardened steel Triblets, or ring mandrels, are essential and versatile tools for jewellery making. This round profile mandrel has a diameter of 2.5mm at the thinnest point and a diameter of 11.8mm at the thickest point making it perfect for forming settings, links or connectors. Made from hardened steel, it offers a working length of 144mm, with a total length of 220mm including the handle and has a smooth matt finish that ensures reliability. This miniature mandrel should be kept clean to avoid any marks which may transfer onto the surface of your metal. It can be held by hand or secured by the handle into a bench vice.
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