Ring Stretcher / Reducer / Bender from Durston Tools. Durston Tools’ design expertise brings you a high precision ring stretcher/reducer to ensure exceptionally accurate ring sizing. The heavy-duty cast iron construction gives you real durability and strength. Features include a six spline mandrel with 16 polished countersunk dies enabling you to reduce bands up to 12mm wide, while specially designed gear reduction ensures effortless forming. Max diameter ring that the ring stretcher will go to is approx 25mm (ring size 16)

• Ring Stretcher / Reducer / Bender.
• Max diameter ring that the ring stretcher will go to is approx 25mm (ring size 16).
• Reduce bands up to 12mm.
• Ring Bending tool with additional die block.