The metal ring stitch measuring tool is made of aluminum, it has US sizes of 1-15 and European sizes of 41-76. Ring Making Tools is easy to read mandrel size chart for full and half size, with tick marks on the shank to get the ring straight before measuring. .Use this rubber hammer on two sides to make rings on a measuring stick, it can be used to flatten or reinforce rings with minimal hammered texture, convenient for jewelry making. .With these ring size tools, you can easily know your finger and wrist sizes and help you make suitable jewelry rings or wedding rings. Polishing cloth and natural agate make the silver jewelery sparkling. Jewelers can fix or adjust rings or other jewelry. The wooden clamp helps you hold securely when placing the ring in the jaw. .Our rubber hammer is from earth, not Thor's hammer, so don't worry about damaging your rings, please use our set. Ring measuring tools can help you repair deformed rings or polished jewelry, so you can become your lover's jewelry custom repair master.