New Grooved Ring Mandrel This is a new grooved ring mandrel An essential tool for the jeweler, goldsmith, silversmith and metal worker This ring stick can be used to determine the size of rings Hardened aluminum allows hammering, bending, shaping and resizing of ring shanks Precision aluminum ring mandrel Has sizes 1 - 13 in 1/4 size increments It measures approximately 11 1/2" (292 mm) long Color received may vary from photo Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.