TOOGOO(R) Digital Outside Millimeter Thickness Caliper Carbon 0-12.7mm Fiber Gauge 33 * 9mm clear LCD display.Switchable between mm and inch. Made of extra strong carbon fiber composites, lightweight, portable and durable. Zero setting at any position.Wide measuring range, high accuracy and high resolution. Lanyard ring keeps gauge handy (lanyard not included). Quick and precise thickness measurement of paper, file, wire, steel, jewelry and leather, etc.