{"product_id":"vintage-steel-ring-mandrel-sizing-tool-marked-gfcusa-20260625","title":"Lot 191 - Vintage Steel Ring Mandrel Sizing Tool, Marked GFC\/U.S.A., 11-3\/4\" L","description":"Vintage steel ring mandrel used for measuring and sizing rings. The tapered shaft is graduated with grooved size markings along its length. Marked \"GFC\/U.S.A.\" on the handle end. Surface oxidation and patina throughout.","brand":"Granite Union Auction Company","offers":[{"title":"Default Title","offer_id":52851856769313,"sku":"20260625-LOT191","price":999999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0073\/9101\/9067\/files\/qa-lot180-mqeg7x0czm_91e870ba-7c70-486c-9c95-e9d7cacdcfc1.jpg?v=1781551547","url":"https:\/\/graniteunionauction.com\/products\/vintage-steel-ring-mandrel-sizing-tool-marked-gfcusa-20260625","provider":"Granite Union Auction Company","version":"1.0","type":"link"}