Yellow Gold Filled 1' Large Round Key Ring  Metal Types:Yellow Gold Filled and stone setters greater flexibility

and stone setters greater flexibility when adjusting their working distance — particularly when using a microscope

These stamped brass cones are pressed into uncured mold rubber to form precise registration locks that prevent vulcanized molds from shifting or misaligning during wax injection — a critical step for achieving accurate

Half-round cross-section: flat on one face

not a collet itself

Yellow Gold Filled 1' Large Round Key Ring  Metal Types:Yellow Gold Filled and stone setters greater flexibilityClassic 1" diameter large round key rings, handmade in the USA. These generously sized key rings offer a clean, traditional loop design well suited for jewelry findings, keychains, and functional metalsmithing applications. Currently available in Yellow Gold Filled only. Sterling silver is no longer available. Sold individually. Features Classic round key ring design Handmade in the USA 1" diameter generously sized for practical use Sold by the piece