PROTO TOOLS J6014CXCERT TW 1/2DR 50-250 FT-LB CERT
- Calibrated to +/- 3% in clockwise direction and +/- 6% in counter clockwise direction.
- Calibration is accomplished by mechanical loading each wrench in a horizontal position.
- Certification documents traceable to N.I.S.T. (National Institute of Standards and Technology).
- Manufactured to meet precision/highly accurate applications such as military and aerospace.