Heavy Duty Ring BENDER REDUCER STRETCHER Enlarger Mandrel Bend-ing Tool 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 Dim: 8" x 7" x 18-1/2"