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These three-stone round ring mountings are designed to showcase a 7mm center stone flanked by two 5mm round side stones
repeatable results session after session
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purpose-built for creating precise V-point gravers with repeatable
18K Bent Stamp For Jewelry Marking Machine Elma These three-stone round ring mountings18K Bent Stamp for Jewelry Marking Machine from Grobet USA is a purpose built marking tool designed to apply a clear, consistent 18K hallmark impression on jewelry pieces. The bent configuration allows access to areas that straight stamps cannot reach, making it especially useful for marking ring shanks, curved bands, and other contoured surfaces on professional jewelry marking machines. Precision hallmarking is a standard requirement in professional
