Ring Stretcher / Reducer 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, while specially designed gear reduction ensures effortless forming.

• Ring Stretcher / Reducer
• Max diameter ring that the ring stretcher will go to is approx 25mm (ring size 16)
• Reduce bands up to 12mm