ITEM NAME:Measurement Tool Pocket 80mm Mini Brass Sliding Gauge Vernier Calip A#S Product Description Description: Specification: Thickness: 2.2mm Material: Solid Brass Type: Double Scale(MM/INCHES) Total Wide: Approx.3.4cm/1.34" Total Length:Approx.9.7cm/3.82" Features: Scale marked in millimeters. Ultra precision and effortless operation. Precision measuring instrument for delicate items - essential tool for jewelers. Solid brass is non-magnetic, non-rusting and more gentle than hardened steel calipers. Use these smooth moving slider vernier for quick inside, outside, step and depth measurements. Please Note: Size for manual measurement, there may be a 0 to 1 cm error, belongs to the normal phenomenon. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Included: 1x 80mm/3.15" Vernier Caliper.Included:1x 80mm/3.15" Vernier Caliper. Material: Solid Brass. Solid brass is non-magnetic, non-rusting and more gentle than hardened steel calipers. Ultra precision and effortless operation. Thickness: 2.2mm.