Features: • Resolution: 0.00005"/0.001mm • Accuracy: 0.00016"/0.004mm • 0.0001" graduated vernier on thimble and sleeve • Direct inch/metric conversions, floating zero and has a switchable resolution of 0.00005" and 0.001mm • Carbide tipped anvil and spindle • Ratchet thimble applies consistent force for repeatability between users • Preset function allows setting of specific digits for various measurements • Includes anvil ball attachment for wall thickness measurements and 1 spare ball • Includes fitted case, 1" standard, 2 batteries, adjustment wrench • Full 1 year warranty