Calibration Torque Tools Inc. is capable of calibrating all rotary style torque tools with state of the art torque calibration systems that match factory procedures. All hydraulic torque wrenches are calibrated on an AKO calibration system with a maximum torque input of 40,000 ft.lbs. Manual Torque Wrenches are calibrated on an AKO system as well with a maximum torque input of 2,000 ft.lbs. Hydraulic and Pneumatic gauges are calibrated using a Crystal Engineering gauge calibration system. Torque Tools Inc. is capable of producing gauge calibrations for instruments up to 40,000 PSI.