Bombay tools supplying agency supplies exacto. This exacto is provided with external probe and infrared interface to effect measurement on places difficult to access. Following are some of the technical features of this exacto which include: models will be equipped with an infra red interface, exacto gauge with external probe and with the usual rs 232c interface for cable connection;gauge does not weigh more than 200 gm; smart probe detects automatically whether the substrate metal is ferrous or non - ferrous. Some technical specifications include: measuring range of rhe gauge is from 0 - 2000 microns. A data memory is available to store a maximum of 90 single readings or 45 block values. Through the menu single value statistics including the number of readings, mean value, standard deviation, min and max or block value statistics including the number of readings per block as needed [ 5 .. 30 ] are provided. For monitoring user selectable tolerances as well as alarm signal, a limit function is available when exceeding such tolerances. The gauge also features a special housing to store clibration standards.