The Fowler High Precision - Sylvac 54-530-155-0 Mark VI electronic indicator has a 2.25" diameter, high-contrast LCD with 0-0.50"/12.5mm measuring range and two user-selectable resolutions of 0.00005"/0.001mm. This dial indicator has a non-contact indicative measuring system, aluminum housing with a stainless steel shank and spindle, a 0.375" stem diameter, and a carbide contact point. The indicator performs inch/metric conversions, has a measuring speed of 60" per second, and repeatability of 0.00008"/0.002mm. The non-contact scale inductive measuring system has no moving parts and is insensitive to dust, dirt, oils, and electrical or magnetic interference. The indicator has a 0.375" mounting stem, 4-48 UNF threaded contact point, and a lug back for a range of mounting options. The carbide contact point provides durability for surfaces with a hardness rating below that of carbide. The high-contrast LCD records minimum, maximum, and total indicator reading (TIR), has a hold feature that saves the reading for recording, and can be set to zero at any spindle location. Fowler, an American company, manufactures premium inspection and measurement instruments like electronic indicators, calipers, bore gages, and micrometers. The company, founded in 1946, is headquartered in Canton, MA.