Solid brass is non-magnetic, will not rust and is softer than hardened steel calipers. Scale marked in millimeters and inches, ideal portable mini size allows you to put it in your pocket Precision measuring instrument for delicate items - essential tool for jewelers, useful tool for home, workplace and jewelry stores. Lightweight and convenient to carry, you can just keep it in your bag and it would be a great measuring tool for your daily use. Features: This is a vintage style slide ruler with slide gauge and beautiful appearance. Made of high quality brass, this vernier caliper is tough, non-magnetic and durable. Double scale design; there are mm and inch scales on the vernier. Lightweight and convenient to carry, you can simply keep it in yourbag.With high accuracy, it would be a great measuring tool for your daily use. Specifications: Measuring range: 80 mm Scales: mm and inches Material: Brass Quantity: 1 The package includes: 1 x vernier caliper