You were provided with a direct link to the Craftsman warranty policy and you still cannot get it right!!!

"If this product needs re-calibration within ninety (90) days from the date of purchase, it will be re-calibrated free of charge."


The might depend on whether he/she is working in a FAA-approved repair station or not. In any case, aircraft mechanics are just like everyone else; qualifications and professionalism are two unrelated issues. In any case, it's the rare aircraft mechanic who actually uses a torque wrench on every fastener that has a torque specification.