Heavy Duty Ring Stretcher Enlarger Reducer Mandrel Jewelry Making Tool heavy duty ring stretcher reducer Weight: 17 lbs Stretches and Reduces Ring Sizes from 1 to 33 and Bands up to 12mm Quantity: 1;Overall dimension: 4-1/2''L x 7-1/2''W x 17-1/4''H Reversible Base Plate with 16 Total Reduction Dies