HEYMOUS Ring Mandrel Metal Ring Sizer Set with Jewelry Rubber Mallet Hammer Rings Size Measuring Tools Finger Gauge Wood Ring Shaper Tool Jeweler's Repair Kit Metal Ring Mandrel - Made of aluminium material, marked with US Size standard, grooved size marked ring mandrel, fine workmanship With round outside and flat inside, smooth edges do not hurt your hands. Metal ring sizer set - Made of steel, US size 0-13, come in half sizes.The ring sizes are clearly marked, easy to use and accurate to the size. Great for someone get into jewelry-making as hobby and on-line shopper for ring size determining. Wood Mandrel - Used for ring repair, shaper, polishing and sanding, high quality jewelry making tools. (Note: There are no sizes marked on the wood mandrel) Jewelry Rubber Mallet - Working with rubber hammer to fix or regulate rings,rubber head would not leave traces on the jewelry or damage your jewelry.Provide perfect strike without scratching or damaging the surface of materials. Ring shaper repair tools kit essential for professional and beginners, designed for ring size measurement, work great for the ring forming, shaper perfectly. Good for fix bent rings, making the bent ring round again. Designed for wire working,craft wire, wire wrapping and wire jewelry, easy to use. ASIN B08JTRZP1J Item Weight 1.05 pounds Manufacturer HEYMOUS ONLINE Item model number HEY-10000 Product Dimensions 10.63 x 2.76 x 0.98 inches