tender for xt3 holematic internal micrometer (xth) with l.c. 0.001mm, pistol grip handle with an advancedtrigger action three point measuring head ensures constant measuring pressure & fast and accuratemeasurement,tungsten carbide measuring faces on all 3 point heads from 12.5 mm, blind bore measurementabove 12.5mm,having the features like ip67 electronics, metric - inch conversion, 4 present memories , rs 232output, bluetooth data transmission, simple 2- button operation. certificate of calibration supplied as standardwith setting rings.operational range 225-250mm (xth225m-bt) (digitaltype) includes : 3 point anvil head ofrange 225-250mm with xtpg04-bt pistol grip holder & dia 225mm master setting ring. make :bowers or similaritem of baker model..dealer ship certificate is to be submitted at time of tender as well supply.