Kit contents and purpose 1 Ring Sizer Mandrel, 1 Ring Sizer Gauge, and 1 Measuring Tape. This 3 piece set provides quick and reliable tools for determining ring and finger sizes. Ring Sizer Mandrel UK standard, made of aluminium, durable construction. Features an easy to read size chart on the mandrel for full and half sizes. Ring Sizer Gauge 26 pieces in total. Available in UK standard and US standard. UK Standard: AZ; US Standard: 013. Measuring Tape Included for flexible measurement of finger dimensions and related sizing tasks. Key benefits and features Fast, accurate sizing helps reduce guesswork and sizing errors. Clear size references for UK and US standards, supporting cross standard sizing. Lightweight, durable aluminium mandrel and a compact gauge set for easy handling and storage. Use scenarios In a jewelry workshop or home studio, quickly determine ring sizes during design or work. When shopping for rings or gifting, determine finger size to choose the correct ring size in UK or US standards. Before manufacturing or resizing, verify ring size and finger measurements to ensure proper fit and comfort. Why this set stands out Combines a UK standard aluminium Ring Sizer Mandrel with a 26 piece Ring Sizer Gauge and a measuring tape, covering both full and half sizes and cross standard sizing in one compact kit. Durable materials, readable size charts, and a practical size range support reliable sizing for various applications.