This innovative, three-stage mandrel, can make three sizes of jumprings. Jumpring inside diameter sizes are 3mm, 5mm and 7mm. Connects to any power drill and works with 12 to 26-gauge wire. Package includes instructions.
Safety Cautions: For use with variable speed drills only. Use on lowest possible speed.
Mandrels>Silver Colored>H20-3695TLTools>Jewelers Tools>MandrelsSilver Coloredhttp://www.firemountaingems.com/itemdetails/h203695tlH203695TLJumpring mandrel, Twirl-a-Ring™, chrome-plated steel, 4-1/2 inches, for use with a power drill. Sold individually.//image4.fmgstatic.com/images/p3695tlb.jpg7.757.75As Low As $6.07 per tool