Brown & Sharpe 00590092 Twin-Cal IP40 Digital Caliper, 0-6 in/0-150 mm Range, 0.0005 in/0.01 mm Resolution, Round Depth Rod, Built in Wireless Functionality Measures 0 to 6"/0 to 150mm with 0.0005"/0.01mm resolution and up to 0.001"/0.03mm accuracy for precise measurements Stainless-steel frame and slide for durability and corrosion resistance, thumb wheel slide control, round depth rod LCD for viewing inch/mm measurements, TESA TLC data output port Compatible with TESA TLC wireless data collection systems (sold separately) Meets ISO13385-1 dimensional standards and Ingress Protection certified IP65 against dust and liquids