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 and inch. Ideal for measuring the length, outer and inner diameter, depth, step difference, height, thickness, etc. Digital LCD display, clear to read. It will shutdown automatically after no working for 5mins, and be cleared at any position. 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: 320g / 11.3oz Package List: 1 * Vernier Caliper