Ring Mandrel Sizer: Designed To Measure Finger Size For Ring Making, Ensuring Precision And Fit. Easy Reading Size Chart: Clear Markings On The Tool Allow For Quick And Accurate Size Determination. Durable Material: Constructed From High-Quality Aluminium And Stainless Steel, These Tools Are Built To Last. Smooth Edges: The Design Ensures Safety And Comfort, Preventing Any Hand Injuries During Use. Comprehensive Sizing: Compatible With Both Us And European Sizing Standards, Offering Wide Coverage. Elevate your jewelry crafting with the Ring Measurement Genius. Crafted for precision and longevity, this professional jewelry tool is your go-to for accurate measurements. Designed with the jeweler's needs in mind, its smooth edges and ergonomic design ensure safety and comfort during use. Experience the difference today!