MICROMETER RATCHET VS. FRICTION THIMBLE: RECORD HOW THE READING WAS TAKEN Tool ID / model / operating instructions / calibration reference: Force-device type / final-contact control: Vehicle / part / feature / location / required method: Original reading / units / operator / order: Repeat reading / reason / changed conditions: Applicable requirement / comparison / unresolved next check: Documentation aid only. Follow applicable vehicle, product and instrument instructions. Not a calibration certificate, real measurement or service authorization.