Features: Measuring range: 0-100mm & 0-4 inches. Double scales design; there are both mm and inch scales on the vernier caliper. Light weight and convenient to carry, you can simply keep it in your bag. With high accuracy, it would be a great measuring tool for your daily use. This mini vernier caliper can be used to measure precision objects and rooms, and is for ideal for measuring gems and other pieces of jewelry. Specifications: Material: plastic Whole length: approx 11.5cm/4.5in Range: 0-100mm & 0-4 inches Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Sliding Gauge