Wooden Ring Clamp is a good helper for gem setting and Jewelry processing. It is well designed with leather material on both sides, so your Precious jewelry not be scratched during the processing. The smooth handle makes you comfortable to grasp. Jewelry Ring Sizer Guage is of stainless steel, which is portable and . The smooth 't scratch your fingers.. Each ring is clearly marked with a 0-15 standard size code (including 1 / 2 half size increment). Ring Mandrel is made of aluminum alloy material, which is hard and . The scale on the mandrel is clear and accurate. It can be used to measure 4 types of sizes including American size (US), size (), European size (CU), Japanese size (m/m∮). 12 sets of jewelry ring measuring and shaping tools, including 1pcs aluminum Ring Mandrel,1pcs no size Metal Ring Mandrel,1pcs Wooden Ring Clamp, 1pcs Ring Sizer 0-15, 1pcs Ring Sizer Mallet, 2pcs Jewelry polishing Cloth, 2pcs Polishing Buffing Bars, 1pcs Polished 2pcs Plastic Ring and Bracelet Sizer Gauge. [Worry-free After-sales Service] provides friendly after-sales service. If this ring sizer masuring tool set does not meet your expectations,or if you have any question about our product, to let us know, and we do our best to solve your problems., Manufacturer: PokFhgur