Ring Mandrel Square 4x4mm to 20x 20mm sq. Overall length 300mm.
Sharp corners, Perfect for bezel or tube settings. We sell a variety of other sizes and shapes too.
Did you know? A mandrel is a metalsmithing tool used to size and shape various types of metal and wire, as well as for measuring the size of an existing ring or bangle. Mandrels are typically used with a hammer or mallet to shape metal. Mandrels come in all different shapes and sizes for small bezels, coin frames, earrings, rings or bangles , they are commonly made of steel, aluminum, wood or plastic.