The highly polished enlarging mandrel has six splines and can take rings from size 1-15 (US sizes) It is calibrated and graduated in 1/2 sizes for
Ring Stretcher w/ Ductile Frame ULTRA Series (INTRO BONUS OFFER)
Ring Sizers & Stretchers — Otto Frei
This bending block is designed for bending and forming metal these are lighter in weight and less expensive than comparable steel blocks. The hardwood
Large Hardwood Bending Block 5 pc Set - SFC Tools - 25-148
Steel Bench Block - with Nylon Block and Rubber in Pakistan
Will enlarge size of rings from size 3 (14.1 mm diameter) and up. It comes with 16 different dies to fit flat, half round, and knife-edge shank
Ring Stretcher Size 3+ - SFC Tools - 48-130
Heavy Duty Vintage Jewelers Ring sizer reducer stretcher for rings repair tool
Ring Stretcher Reducer Professional - SFC Tools - 48-140
US 1-15 Accurate sizes with ½ size increment rings Made of high quality steel for durable & rust free long working life Smooth & Shiny surface finish
Splenor Tools Steel Finger Sizer - US Standard Size 1 to 15 - for Measuring Finger Sizes - 29 Rings Set - Jewelry Making Ring Sizer Tool
This high quality ring stretcher and reducer resizes ring bands from size 1-15 (US sizes). The highly polished 6-spline mandrel is graduated in 1/4 sizes for smoothly and accurately enlarging rings. The smooth-finished reversible base plate has 16 reduction dies which can reduce ring shanks up to 12 mm wide by compression. The entire tool is made out of hardened steel with a grey painted base. It can be bolted to your bench or used as a portable unit.
Ring Stretcher Reducer with Six Splines - SFC Tools - 48-138
EuroTool Ring Stretcher Reducer