Features: Accurate Ring Sizer with Built in Magnifier delivers precise 0 13 US size measurements in jewelry grade alloy, ensuring perfect fit selection while eliminating sizing guesswork for rings and small accessories. This 115mm x 8mm lightweight tool (62g) features scratch resistant alloy construction and double function design combining measurement accuracy with optical clarity through its integrated magnifying lens. Essential for jewelers, designers, retailers, and jewelry enthusiasts requiring professional grade sizing accuracy in workshops, stores, or personal collection management. Ideal for on the go measurements at jewelry fairs, proposal planning, or boutique consultations, its compact profile fits effortlessly in toolkits and pockets for quick access. Multi purpose measuring solution bridges jewelry craftsmanship and daily practicality, serving both delicate ring sizing and versatile small object dimension checks with industrial grade durability. Specifications: Material: Alloy Size: Length 115mm/4.52inches, Width 8mm/0.11inches Package Includes: 1Pc US-Code Ring Ruler note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.