Premium Plastic: The calipers are made of environmentally friendly hardened plastic with depth measuring probes and precision jaws. Large LCD Display: Get accurate results quickly and easily with the large, easy-to-read LCD display. Internal, external and height dimensions can be measured easily and accurately. High Measuring Accuracy: Measuring Range: 0-6 inch/0-150 mm; Resolution: 0.01 inch/0.1 mm; Accuracy: ±0.2 mm/0.01 in. Stainless Steel Caliper Measuring Tools: Mainly used for measuring, perfect and accurate caliper measuring tool for home and DIY measurement. Lightweight and Portable: Reasonable size, light weight, easy to use and carry.