Pocket Vernier Caliper Ruler, 3.94" Handy Brass Caliper Double Scale Sliding Gauge Metal Pocket Ruler Mini Measuring Tool for Measuring Jewelry

["[Dual Scale Precision] Featuring clear millimeter and inch scales on a single tool, this calipers measuring tool eliminates the need for unit conversions during measurement. Clear markings and a smooth sliding mechanism allow for quick and accurate readings of both inside and outside dimensions, streamlining the workflow for jewelry making and craft projects","[Durable Solid Brass] Made of high-quality brass, this mm measuring tool vernier caliper offers exceptional durability and resistance to rusting and deformation. Its non-magnetic properties and sturdy construction ensure reliable performance over extended use, making it a dependable tool for precise measurements in a variety of environments","[Versatile Measurement Applications] This caliper tool is ideal for measuring jewelry components, including rings, beads, and gemstones, easily handling both inside and outside diameters. Its practical design supports a variety of professional fields, such as woodworking, engineering, and crafts, that require precise dimensional measurements of small items","[Portable and Compact Design] With its lightweight brass construction and compact 3.93-inch/100mm size options, this pocket ruler fits easily in a pocket or tool bag. Convenient portability allows for on-the-go measurements without sacrificing functionality, making it ideal for fieldwork, workshops, or classroom environments where space is limited","[Retro Functional Aesthetics] Combining classic brass craftsmanship with modern measurement functionality, this pocket caliper is both a practical tool and an aesthetically pleasing accessory. Its timeless design appeals to professionals and enthusiasts who appreciate traditional tools that deliver consistent performance while adding vintage charm to any workspace"]