Machined from high carbon, hardened steel and polished to perfection this ring mandrel is the absolute market leader when it comes to quality, precision, and ring sizing consistency. It's designed to be durable and long-lasting, so you can trust that it meets the highest standards in jewelry making.

• Ring Sizes 1-16  US with 1/2 size increments 
• Hardened and polished steel
• Grooved
• Gold Standard