Ring Holding Expanding Mandrel Tool – Opal Ring Supply
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Expanding stainless steel ring mandrel for lathe and wood rings – Ringsupplies.com
Amazon.com: Expanding Ring Mandrel with Hex Allen Key – Large Size Steel Ring Mandrel for Lathe – Heavy Duty Ring Shaper Tool for Ring Turning and Ring Making - Ring Sizes(11-14) -
Expanding Ring Mandrel Stainless Steel (Small) | eBay
Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. ( Ring Sizes 11-14)