US & UK Size Ring Mandrel & Sizer Set - 4-in-1 Ring Sizing Gauge & Adjustment Tool for Jewelry Making

Dual US & UK Size Standards for Global UseThe ring mandrel and sizer set is marked with both US and UK ring size scales, allowing accurate measurement for international jewelry orders. Perfect for professional jewelry makers, online sellers and DIY enthusiasts who cater to global customers.4-in-1 Multi-Functional DesignCombines four essential functions in one kit: ring size measurement, ring diameter checking, ring roundness straightening, and ring band adjustment. Eliminates the need for multiple separate tools, saving time and workspace for jewelry crafting and repair tasks.Precision Measurement & Correction PerformanceLaser-engraved size markings ensure clear, wear-resistant and error-free readings—no more guessing ring sizes. The sturdy mandrel provides stable support for reshaping bent or deformed rings, restoring them to a perfect circular form without scratching metal surfaces.Durable & User-Friendly ConstructionMade of high-quality metal with a smooth, corrosion-resistant finish that protects precious metals like gold, silver and platinum. Lightweight and compact design for easy storage and portability; suitable for home DIY workshops, jewelry stores and on-site size checking.