TESA Brown & Sharpe 00590302 TWIN-CAL IP67 Digital Caliper, 0-6" Range, 0.0005" Resolution, Round Depth Rod, Built in Wireless Functionality Digital caliper with 0 to 6"/0 to 150 mm measuring range and 0.0005"/0.01 mm resolution is used to perform inside, outside and depth measurements 1.5" jaw depth holds parts securely in place while measuring Absolute measuring retains the zero setting after powering off Stainless steel body is PVD coated for increased durability, and a sealed plastic housing is certified IP67 for protection against dust, oil, and coolants TESA wireless interface and wired data output port export data to a computer for data analysis or long-term records retention (requires cable or wireless receiver, not included)