It is used to measure screws, gears, machine parts, medical instruments and all small parts that need to be accurately measured._x000D_-Plastic_x000D_-Range: 0-150mm/0-6''_x000D_-Reading: 0.1mm/0.01''_x000D_-Lithium battery 3V_x000D_-Metric/inch conversion in any location._x000D_-Accuracy: 0.1mm_x000D_-Blister packed.