2 New Ring Mandrels & Sizer New Graduated Ring Mandrel This is a brand new calibrated ring mandrel. Calibrated for accuracy Precision ground to .0015" Sizes 1 - 15 in 1/4 size increments New Graduated Ring Mandrel This is a brand new calibrated ring mandrel It is used for larger sizes. An essential tool for the jeweler, goldsmith, silversmith and metal worker Sizes 16 - 24 in 1/4 size increments Finger Gauges This is a new set of finger gauges The gauge is perfect for fitting wedding rings, class rings and other wide rings It prevents resizing due to customers twisting narrow gauges over the knuckles The gauge features sizes 1 to 15 in 1/2 size increments Newer versions of the item shown may be shipped, as a result, there may be a slight variation in color and design.