The Step 8 mm – 12 Ring Core features a built‑in step that creates a clean shoulder between the metal core and your inlay material. This stepped design helps guide your shaping, ensuring your finished ring has a sharp, professional transition and a consistent fit. The wider 12 mm profile offers a striking, contemporary look while the 8 mm step provides precise control during turning.

Perfect for makers who value accuracy, stability, and premium results, this core installs easily and performs reliably across a wide range of ring‑making materials.