This ring stretcher will enlarge size of rings from size 4 and up. It comes with 16 different dies to fit flat, half round, and
knife-edge shank profiles of widths from 1-4mm. This devise has 3 5mm (0.188”)
holes in the base so it can be mounted to a bench or work table with wood
screws (not included). It comes in a sturdy wooden box to hold the tool and the
dies. Overall measurements of tool are 19 x 8.5 x 10 cm (7.4 x 3.3 x3.9”).
To stretch rings, select and position the correct die. Place your ring on the shaft, and tighten the handle. Carefully rotate the handle 360 degrees, or until your ring is the desired size. More detailed instructions included with item. Not recommended for use in making coin rings.
Use caution when stretching rings with set stones, or stretching
rings more than 1 size from original size.