Make oval jumprings in the sizes you want. This 4-piece set includes three oval steel mandrel rods with an acrylic base. Works with precious metal and base metal wires. Makes 6x4mm, 7x5mm and 8x6mm oval jumprings.
Jewelers Tools>H20-3972TL>Tools>Jewelers Toolshttp://www.firemountaingems.com/itemdetails/h203972tlH203972TLJumpring maker, steel and acrylic, clear, 4 x 1-1/2 inch base with (3) 3-1/4 inch mandrel rods. Sold per 4-piece set.//image4.fmgstatic.com/images/p3972tlb.jpg12.3212.32As Low As $5.98 per set