The metal ring stick measure tool is made of Aluminum, its with US sizes of 1-15 and European sizes of 41-76. Ring Making Tools is easy to read size chart on mandrel for full and half sizes, with line marks on shaft to get the ring straight before measuring. .Use this two sides rubber hammer to making rings on measuring stick , it can be used to flatten or strengthen ring with leaving minimal hammered texture, convenient for jewelry making. .With these ring sizer tools you can easy to know your finger and wrist size, and help you making appropriate jewelry rings or wedding rings. Polishing cloth and natural agate make the silver jewelry sparkling. Jewelry hammer can fix or adjust rings or other jewelry The wooden clamp will help you hold securely when you place the ring in the jaw. .Our Rubber Hammer is from the earth, not Thors hammer, so dont worry about damaging your rings, please rest assured to use our ring sizer gauge set .Ring measuring tools can help you repair deformed rings or polished jewelry, so you can become your lovers jewelry custom repair master .