Quality: Our digital calipers Made of strong plastic carbon fiber composites, lightweight and durable. Easy to read: This calipers tools is consist on large LCD display, zero setting in any position. Multiple Measuring: Digital Vernier calipers can use two sets of jaws and probes to measure the outside, inside, and depth. LARGE LCD SCREEN & AUTO OFF: This digital caliper has large and easy-to-read LCD display that helps you get precise results quickly and easily, and it is also a auto shutdown caliper measuring tool for saving battery after 5 minutes if without operation. Measurement Range: This digital caliper has 0-6 inch - 150mm; Resolution: 0.01in/ 0.1mm; Accuracy: 0.01in/ 0.1mm. Material: Carbon, Fiber Composites.