Features: Made of stainless steel, durable, wear-resistant and can be used for a long time. With 0-150mm measuring range and 0.01mm resolution, and one button easy to switch between mm, inch and fraction. Ideal for measuring the length, outer and inner diameter, depth, step difference, height, thickness, etc. Digital LCD display, clear to read. the size is 23.6 * 7.7cm. Comes with a plastic storage box, lightweight and portable to carry. Specifications: Material: Stainless Steel Color: Black Power Supply: 1 * 1.5V 75mAh LR44 Button Battery Measuring Range: 0-150mm Resolution: 0.01mm Package Size: 25 * 9 * 2.4cm / 9.8 * 3.5 * 1in Package Weight: 350g / 12.3oz Package List: 1 * Vernier Caliper By the way,if you like our store,please add our store to your Favorite Stores.You can get our and Discount information in time.