GT (Guage & Tools) Manager, keeps track of your inventory;- when items were last calibrated, where they are and when they are next due for calibration. Can 'stop-the-clock' when items are not in service to reduce costly unnecessary recalibration and has been helping major engineering companies meet the stringent auditing requirements for accreditation to ISO 9000, BS5750, EN29000 & AQAP for 25 years