{"product_id":"rathburn-ring-stretcher-7-step-ring-enlarger-us-sizes-8-16","title":"💍 BLUEFOX TOOLS Rathburn Ring Stretcher – 7-Step Steel Collet Ring Enlarger for US Ring Sizes 8–16","description":"\u003ch2 data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003e💎 Professional Ring Stretcher \u0026amp; Wedding Band Expander – Jewelry Repair and Ring Sizing Tool\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eMake ring resizing easier with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBLUEFOX TOOLS Rathburn Ring Stretcher\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a practical manual ring enlarging tool designed for jewelry repair, wedding band resizing, and professional jewelry workshop applications. Featuring a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7-step steel collet mandrel, tapered steel expansion pin, and durable nylon base\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, this ring stretcher provides a mechanical method for gradually expanding suitable rings and plain wedding bands.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to accommodate \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eUS ring sizes 8–16\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the seven-step collet offers multiple positioning options for different ring sizes. The tapered steel expansion pin works with the collet assembly to gradually expand the ring when gently tapped with a suitable mallet or hammer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for jewelers, jewelry repair professionals, metalworkers, and hobbyists, this compact ring resizing fixture is a useful addition to any jewelry repair bench or workshop. 💍🔧\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🔩 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7-Step Steel Collet Mandrel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Features a multi-stepped steel collet design with seven positioning steps for accommodating compatible rings across the specified US ring-size range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e📏 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eUS Ring Sizes 8–16:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for ring stretching applications covering US sizes 8 through 16, providing multiple sizing positions for suitable wedding bands and plain rings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🔨 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eTapered Steel Expansion Pin:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The tapered steel pin expands the collet when gently tapped, helping stretch compatible rings gradually during the resizing process.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🧱 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDurable Nylon Base:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supplied with a nylon base that supports the collet assembly during manual ring stretching and jewelry repair operations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🎯 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eControlled Manual Ring Expansion:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Allows the user to expand suitable rings gradually using light hammer or mallet impact, without requiring powered machinery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e💍 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eIdeal for Plain Wedding Bands:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Particularly suitable for compatible plain bands and rings with appropriate construction. Always inspect the ring before attempting to stretch it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🛠️ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCompact Workshop Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 6 inches overall length, including the base, making it convenient for jewelry benches, repair shops, and workshop storage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e⭐ Key Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e💎 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBrand:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e BLUEFOX TOOLS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e⚙️ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eProduct Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Rathburn Ring Stretcher \/ Ring Enlarger\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e💍 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eApplication:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Ring Sizing and Jewelry Repair\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e📏 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRing Size Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e US Sizes 8–16\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e🔩 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCollet Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 7-Step Steel Collet Mandrel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e📐 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eStep Width:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 1\/4\"+ Each\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e🔨 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eExpansion Mechanism:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Tapered Steel Pin\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e🧱 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBase Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Nylon\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e🛠️ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOperation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Manual\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e📏 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOverall Length:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approx. 6\" Including Base\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e🎯 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eMain Use:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Expanding Suitable Rings and Wedding Bands\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003e💎 How to Use the Ring Stretcher\u003c\/span\u003e\u003c\/h2\u003e\n\u003col data-spread=\"false\" start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e💍 Place the suitable ring onto the appropriate step of the steel collet mandrel.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e📏 Select the step that correctly accommodates the ring.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e🧱 Position the expansion collet assembly onto the nylon base.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e🔩 Insert the tapered steel expansion pin.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e🔨 Gently tap the pin using a suitable mallet or hammer with light impact only.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e🎯 Check the ring size gradually during the process to avoid excessive expansion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e🔧 After completing the operation, gently tap the opposite end to remove the mandrel.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003e\u003cspan\u003e⚠️ Important Ring Stretching \u0026amp; Compatibility Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThis tool is particularly suitable for compatible plain bands and wedding bands.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDo not use it on stone-set rings or rings with thin shanks.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInspect rings for solder joints, weak areas, cracks, or other damage before stretching.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDepending on the ring material, annealing may be required before expansion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAvoid excessive hammering or oversizing, as this may damage or break the ring.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGenerally, this fixture will not expand a ring more than approximately one finger size. Actual results depend on the ring's material, construction, thickness, and condition.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003e🛠️ Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e💍 Wedding band resizing and ring enlargement\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e💎 Jewelry repair and restoration\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e📏 Manual ring size adjustment\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e🔧 Plain band stretching\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e🛠️ Jewelry workshop and bench work\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e🔨 Metalworking and jewelry fabrication\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e👨🔧 Professional jeweler and repair shop applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003e📦 Package Includes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 × Nylon Base\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 × 7-Step Steel Collet \/ Mandrel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1 × Tapered Steel Expansion Pin\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003e💎 Why Choose BLUEFOX TOOLS?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBLUEFOX TOOLS Rathburn Ring Stretcher\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e combines a seven-step steel collet, tapered expansion pin, and durable nylon base in a compact manual ring resizing fixture. Designed for suitable ring-stretching applications, it offers jewelers and repair professionals a practical tool for wedding band enlargement, plain ring resizing, and jewelry workshop use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🔧 \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eBLUEFOX TOOLS – Right Quality. Right Performance.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"BLUEFOX TOOLS","offers":[{"title":"Default Title","offer_id":67278301331827,"sku":null,"price":15.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/3626\/6099\/files\/transparent-Photoroom-2026-10-30T232324.670.jpg?v=1793382953","url":"https:\/\/bluefoxtoolmart.com\/de\/products\/rathburn-ring-stretcher-7-step-ring-enlarger-us-sizes-8-16","provider":"bluefoxtools","version":"1.0","type":"link"}