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Amazon.com: BENCH WIZARD 12" Classic Ring Mandrel | Sizes 1-15 Marked with 1/4" Size Increments | Constructed in Solid Steel | Screw in Hole Built in | Smooth Finish & Ergonomic Textured
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Amazon.com: Expanding Stainless Steel Ring Mandrel for Ring Turning and Ring Making. (Ring Sizes 11-14) : Arts, Crafts & Sewing
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Amazon.com: PHYHOO Ring Sizer Set Metal Ring Mandrel Steel Ring Gauge Kit Finger Size Measure Rings Sizing Measurement Jewelry Making Tool Jewelers Tools US 0-13 : Arts, Crafts & Sewing
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