JDG Crafter's mild steel expanding ring mandrel. To make JDG two-piece rings from sizes 4 to 8.5. Not intended for Lifestyle rings.
These mandrels, made from premium mild steel, are a perfect fit for ring makers trying to get started at a lower cost than our stainless steel JDG Pro mandrels. These mandrels are consumables and should be replaced when worn out, show signs or extreme wear and/or broken.
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