Professional Expanding Ring Mandrel for Lathe & Drill – Precision Ring Sizing (6 to 10)

✔ Effortless Ring Spinning & Sizing
Craft flawless rings 10x faster than handheld tools! Our steel expanding mandrel fits lathes and drills (1/2" chuck), letting you smoothly spin, polish, and resize rings with studio-quality precision. Swap sizes (6 to 10) in seconds using the included Allen wrench—no more struggling with fixed mandrels!
✔ Scratch-Free Finish Every Time
The extra-wide steps accommodate protective tape (1-2 layers recommended) to prevent interior scratches while spinning. Customers love the smooth, even results—no more uneven edges or tool marks!

✔ Heavy-Duty & Long-Lasting
Made from high-grade, wear-resistant steel, this mandrel won't rust, bend, or wear down like wooden or carbon-steel alternatives. Perfect for daily use in workshops or studios.

✔ Universal Compatibility
Fits most lathes, drills, and 1/2" chucks (7" shank). Use it for spinning, sanding, polishing, or engraving—ideal for jewelers, hobbyists, and metalworkers.

✔ What's Included:

1x Expanding ring mandrel (sizes 6 to 10)
1x Allen wrench for quick adjustments
Lifetime durability guarantee

Why Customers Love It:

⭐ "Game-changer for ring making! So much faster than my rotary tool."
⭐ "The tape trick works perfectly—no more scratched rings."
⭐ "Solid steel construction; still looks new after months of use."