Aluminum Ring Mandrels

These Ring Mandrels are available with or without a groove and is crafted from durable aluminum. It features a range of ring sizes from 1 to 15, including 1/2 sizes and markings for 1/4 sizes. The mandrel measures 12.5" in length and includes a ring on the bottom for easy storage and an engraved sizing stock gauge. Sizes are based on the US standard measurement system.