Use this steel ring mandrel for a quick and convenient way to size wax ring models. Six sharp blades running from the tip to the handle act as a reaming tool on wax models and ring tubes. Knurled handle provides excellent grip and control.
- Diameter ranges from 1/2" to 13/16"
- Made of high quality hardened carbon steel
- Fits rings from size 1.5 to 10
- Increase ring size up to size 10
- Length 9".