{"product_id":"swan-neck-ring-stamp-punch-purity-marks-925-375-9k-to-22k-hardened-steel-78-mm-inside-shank-marking-tool","title":"Swan Neck Ring Stamp Punch — Purity Marks 925, 375, 9K to 22K, Hardened Steel, 78 mm Inside-Shank Marking Tool","description":"\u003cp\u003eStamps a purity mark on the inside of a ring shank, where a straight punch cannot reach. For jewellers, silversmiths and repair benches.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e13 impressions, one per punch: 925, 999, 920, 916, 750, 585, 375, 333, 9K, 14K, 18K, 21K and 22K. Pick yours from the Impression menu\u003c\/li\u003e\n\u003cli\u003e3 mm x 1.6 mm impression (approx.)\u003c\/li\u003e\n\u003cli\u003e78 mm long, 6.8 mm square bar\u003c\/li\u003e\n\u003cli\u003eHardened steel, polished finish\u003c\/li\u003e\n\u003cli\u003eSwan neck offset clears the ring, so the face sits flat inside the band\u003c\/li\u003e\n\u003cli\u003eApprox. 50 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt for:\u003c\/strong\u003e marking finished rings and bands. Support the ring on a steel mandrel, seat the face inside the shank and strike once, squarely. One firm blow gives a cleaner mark than several light ones.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIn the box:\u003c\/strong\u003e 1 x swan neck stamp punch in the impression selected.\u003c\/p\u003e\n\u003cp\u003eA purity stamp is not a UK hallmark. Precious-metal articles sold in the UK above the exemption weights must be hallmarked by an Assay Office.\u003c\/p\u003e","brand":"Jewellery Tools","offers":[{"title":"925","offer_id":55402372464969,"sku":"MU-3GR9-GZX4-1","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"333","offer_id":55402372497737,"sku":"MU-3GR9-GZX4-2","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"375","offer_id":55402372530505,"sku":"MU-3GR9-GZX4-3","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"585","offer_id":55402372563273,"sku":"MU-3GR9-GZX4-4","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"750","offer_id":55402372596041,"sku":"MU-3GR9-GZX4-5","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"916","offer_id":55402372628809,"sku":"MU-3GR9-GZX4-6","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"920","offer_id":55402372661577,"sku":"MU-3GR9-GZX4-7","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"999","offer_id":55402372694345,"sku":"MU-3GR9-GZX4-8","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"9K","offer_id":55402372727113,"sku":"MU-3GR9-GZX4-9","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"14K","offer_id":55402372759881,"sku":"MU-3GR9-GZX4-10","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"18K","offer_id":55402372792649,"sku":"MU-3GR9-GZX4-11","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"21K","offer_id":55402372825417,"sku":"MU-3GR9-GZX4-12","price":9.99,"currency_code":"GBP","in_stock":true},{"title":"22K","offer_id":55402372858185,"sku":"MU-3GR9-GZX4-13","price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/8031\/7769\/files\/925.jpg?v=1790013950","url":"https:\/\/www.jewellerytools.co.uk\/products\/swan-neck-ring-stamp-punch-purity-marks-925-375-9k-to-22k-hardened-steel-78-mm-inside-shank-marking-tool","provider":"Jewellery Tools","version":"1.0","type":"link"}