{"product_id":"ring-stretcher","title":"Ring Stretcher","description":"\u003cp\u003eEnlarge, stretch, and true plain wedding bands and precious metal ring shanks with high mechanical leverage. Built with a solid cast iron base weighing 8.16 pounds (approx. 3.7 kg), this\u003cstrong\u003e \u003c\/strong\u003eBenchtop Mechanical Ring Stretcher provides stable, wobble-free operation on jewelry benches without tipping. Equipped with an upright precision expansion mandrel featuring four premium chrome splines and clear laser-engraved graduations, it accommodates major international sizing standards: US Sizes (1–14), EUR Sizes (41–71), HK Sizes (8–32), and JP Sizes (1–32). With a high-leverage ball-head operating handle and pre-drilled bench-mounting holes, it delivers uniform, symmetrical band enlargement for jewelry studios, retail counters, and repair workshops.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose the Heavy-Duty Benchtop Ring Stretcher\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSolid Cast Iron Stability (8.16 lbs):\u003c\/b\u003e Thick cast iron base absorbs operating forces, providing a rock-solid platform for smooth sizing even when operating unbolted on counter surfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual Benchtop Setup (Freestanding or Bolted):\u003c\/b\u003e Features pre-drilled flange mounting holes, allowing jewelers to bolt the unit directly to a workbench or use it as a portable freestanding sizing station.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEven 4-Spline Chrome Mandrel:\u003c\/b\u003e Precision-ground 4-segment expansion mandrel opens symmetrically to distribute outward pressure evenly around the entire circumference, preventing ring warping or oval distortion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eComprehensive International Sizing Scales:\u003c\/b\u003e Deeply etched, permanent graduations marked across the spline faces provide real-time visual tracking across four international standards:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eUS Size:\u003c\/b\u003e 1 to 14\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEUR Size (Circumference):\u003c\/b\u003e 41 to 71 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHK Size:\u003c\/b\u003e 8 to 32\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eJP Size:\u003c\/b\u003e 1 to 32\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh-Leverage Lever with Ergonomic Ball Head:\u003c\/b\u003e Extended mechanical steel lever with a smooth round ball grip multiplies user input force, making band expansion smooth with minimal physical strain.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eProtective Tip Assembly:\u003c\/b\u003e Heavy-duty rubber cap and retaining screw keep the 4-spline segments aligned and prevent them from over-extending or detaching during rapid cycling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications \u0026amp; Product Matrix\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Designation\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBenchtop Ring Stretcher \/ Ring Enlarger Machine\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Usage\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRing Size Expanding, Band Sizing, Rounding \u0026amp; Reshaping\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Size Standards\u003c\/td\u003e\n\u003ctd\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel md-content enable-luminous-fast-follows enable-updated-hr-color stronger\" id=\"model-response-message-contentr_a2689556417774ae\" dir=\"ltr\"\u003e\n\u003cp\u003eUS: 1–14 • EUR: 41–71 • HK: 8–32 • JP: 1–32\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated Scales\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMulti-Standard Readouts (US, EUR Circumference, HK\/JP Index)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Construction\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHeavy-Duty Solid Cast Iron with Hammertone Powder Coat\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMandrel Construction\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 Premium Chrome-Plated Tool Steel Splines\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Dimensions\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cspan class=\"math-inline\"\u003e\u003c\/span\u003e12.5 cm (W) × 12.5 cm (D) × 28 cm (H) (4.92 × 4.92 × 11.02 in)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Unit Weight\u003c\/td\u003e\n\u003ctd\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel md-content enable-luminous-fast-follows enable-updated-hr-color stronger\" id=\"model-response-message-contentr_d2a112d559ec744a\" dir=\"ltr\"\u003e\n\u003cp\u003e8.16 lbs (Approx. 3.70 kg)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Mechanism\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVertical Lever Arm with Ergonomic Ball-Head Handle\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Options\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBench-Mountable (Pre-Drilled Holes) or Freestanding\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor \u0026amp; Finish\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIndustrial Charcoal Hammertone Base with Chrome Hardware\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"LUXGOLDTOOLS","offers":[{"title":"Default Title","offer_id":49212618473572,"sku":"RSFD0003","price":171.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/2902\/9732\/files\/benchtop-ring-stretcher-enlarger-front-view.jpg?v=1789033652","url":"https:\/\/luxgoldtools.com\/products\/ring-stretcher","provider":"LUXGOLDTOOLS","version":"1.0","type":"link"}