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)
This Economy ring stretcher and reducer resizes ring shanks from size 1-15 (US sizes). It has 4-spline mandrel graduated in 1/4 sizes for smoothly and
Ring Stretcher and Reducer Size 1-15 - SFC Tools - 48-132
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
Ring Stretcher and Reducer Size 1-15 - SFC Tools in Pakistan
Ring Sizers & Stretchers — Otto Frei
Ring Stretcher w/ Ductile Frame ULTRA Series (INTRO BONUS OFFER)
Heart & Arrow Scope Diamond Pattern Inspection 1.25
Utoolmart Ring Sizer Mandrel Shaping Forming Enlarger
Bench Anvil Combo Kit- Bracelet and Ring Mandrels SFC Tools 13-132