Features Durable Material: This outer micrometer adopts high-quality alloy measuring surface, which is not easy to rust, durable, and has a long service life, it can provide competitive and excellent quality. Provides Clear Readings: This outer micrometer provides a clear LCD display for easy reading of measurement results, durable and portable. Note: Please keep away from magnetic objects. Simple Operation and Accurate Measurement: User-friendly design, simple operation, and the resolution can be set to 0.001mm. The locking device is designed to fix the measurement dimension and prevent the adjustment of the gap due to the error surface. Easy to Use: Locking screws ensure stability, knurled thumbwheel glides smoothly for fine-tuning, easy rolling and no binding. Zero calibration at any time while measuring, then you can start a new measurement. Suitable for: Knurled ratchet device for constant force measurement. Digital calipers are suitable for home DIY, woodworking, jewelry and other industries, and are widely used in household, industrial, automotive and other fields. They are ideal for mechanics, engineers, woodworkers and DIY enthusiasts. Specification: Item Type: Micrometer Battery Model: CR1632 3V (not included) Operating Temperature: 0℃-40℃ Storage Temperature: -10℃-60℃ Options: 0-25mm, 25-50mm Package List: 1 x Micrometer or 1 x Micrometer1 x Accessory Package List 1 x Micrometer (Random Box Color)