This 76mm handy pocket-sized caliper is manufactured from a lightweight non-marring carbon fibre material. The digital selection button enables readings to be displayed in either metric or imperial format and will provide precision readings from 0.1mm and 0.01in. The calipers have an easy to read clear liquid crystal display and can perform internal external and step measurement functions. A convenient pocket clip is provided to help keep the calipers close at hand and safe.  The ideal tool for measuring objects internal and external diameters or lengths up to 76mm (3”) Measurements are shown on a digital display screen or on the clearly marked rule Carbon fibre composite Internal and external measurements Easy to read screen Metric and imperial measurements Accuracy: +/- 0.2mm Auto-off Battery included Specifications: Measuring range: 0-75mm (0-3in) Resolution: 0.01mm (0.0005in) Accuracy: ± 0.2mm (0.001in)