Pepetools - Precision Engineered Professional Equipment

Aluminum Ring Mandrels

Aluminum Ring Mandrels - Main image
$18.27 $29 In stock

Pepetools Aluminum Ring Mandrels offer a reliable, lightweight solution for sizing and shaping rings. These mandrels are crafted from aluminum and feature a round, graduated profile designed to accommodate a range of ring sizes. Laser-engraved markings provide clear, easy-to-read size indicators in 1/4-inch increments, helping you work with precision.

  • Available in two size ranges: US sizes 1–16 or European sizes 1–15.
  • Choose between a grooved or smooth (without groove) surface to suit your forming or sizing needs.
  • Aluminum construction keeps the mandrel lightweight and easy to handle.
  • Laser-engraved size markings ensure durability and legibility during repeated use.
Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (5.0 / 5 · 5 reviews)

Lily O. ★★★★★

Finally, a mandrel that doesn't tire my wrist out during a long sizing session. The graduated profile makes it easy to find the exact ring size without constant marking.

George ★★★★★

I was surprised by how lightweight these mandrels are compared to the steel ones I’ve used before — way less fatigue during long sizing sessions. The graduated profile made it easy to size a tricky knuckle-fit ring without slipping.

Richard ★★★★★

The graduated profile is so handy when I need to size multiple rings in one sitting, and the lightweight aluminum means my wrist doesn't cramp up after a long session. It's smooth to the touch and the rings slide off without snagging, which is exactly what I hoped for.