Features: This 4 piece rings sizer set ensures accurate US (2 15) and European (41 76) measurements, featuring a sturdy aluminum mandrel and stainless steel sizing rings with half size increments for precise jewelry fitting. The set includes a magnifier equipped sizing strap for clear readings, smooth edged ABS measuring bands for comfort, and corrosions resistant kirsite components designed for repeated professional use. Perfect for partners planning surprise engagements, jewelry designers crafting unique pieces, or individuals verifying finger sizes before purchasing rings online. Measure finger dimensions discreetly at home, verify rings sizes for anniversary gifts, or ensures accurate fittings when creating handmade jewelry accessories. Engineered with industrial grade materials and ergonomic sizing tools, this comprehensive set simplifies jewelry sizing tasks while maintaining measurement consistency across multiple uses. Specifications: Materials: kirsite and ABS Length:Approx.11.5cm/4.53inches Package Includes: 4Pcs rings Sizing Set note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!