Jewelry Ring BENDER Reducer Stretcher Enlarger Combo Mandrel Tool 6 Splines Ring STRETCHER REDUCER & BENDER Bends Flat, Oval and Half Round Blanks up to 4mm Thick Four Splines for Enlarging Rings 16 Countersunk Dies to Reduce Plain Bands Up to 12mm wide Quantity: 1 ; Overall Dimension: 8" x 7" x 18-1/2"