Features: Ensures precise in your jewelry design and creation with our diamantine gauge caliper, for accurate diamantine size measurement. Crafted from stainless steel, this caliper is durability and rustresistant, featuring clear, easy to read scale for simple and convenient operation. Ideal for professional use by jewelry designers, gemologists, and jewelry enthusiasts who demand accuracy. Perfect for use in jewelry processing, diamantine identification, and collection evaluation, providing reliable measurements in professional setting. Enhances your toolkit with this essential measuring instrument, a must having for anyone involved in the intricate world of gemstones and jewelry. Specifications: Component:Stainless Steel Size:Approx.85x54x0.3mm/3.34x2.12x0.01inch Color:Silver Package Includes: 1pcs Diamantine Gauge Caliper note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.