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Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
a closed attach ring and a smooth
Each compartment measures approximately 1-7/8" x 2-3/4"
this high-quality PrecisionFit™ steel tapered ring mandrel is hardened to 64 HRC
A jump ring makes it easy to string on to cord or chain
The bail is set with a range of diamond sizes
Rio Grande Cast-In-One™ Stiffener Ring, 76.2 mm Nano Ceramics & Adhesives a closed attach ring andDesigned specially for the Rio Grande Cast In One casting machine, this stiffener ring fits onto the upper edge of the 3" diameter clear plastic investing sleeve to give the sleeve rigidity and to keep the opening perfectly round during investment.
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