• Worldwide patent.

• Chrome-vanadium ratchet gear and fully heat treated handle.

• Guaranteed to meet ISO 6789, U.S.Fed.GGG-W686D and ANSI Spec.

• Factory calibrated for accuracy to within ± 3%

(of reading form B107.14M. 20~100% maximum range).

• Window is equipped with convex for scale viewing.

• Operated by unique pull-push system.

• Torque wrenches are precision tools and are not designed for use in loosening bolts and nuts.

• Each set contains calibration certificate.