What do I need to consider when sending in for calibration?

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-To calibrate the measuring soles of the inner shoe pressure measuring system, please do NOT send the entire case, but only the soles. The size of a shoe box would be sufficient here.
-The soles can be rolled up, but not be bent.
-No single soles, please always in the corresponding pair (serial number).

Other:
-Calibrations and repairs usually take 4 weeks.
-The cost of calibration is 25€ per single measuring sole.
-The costs for the calibration of a MS4 measuring plate is 250€.