USAG 810 series torque wrench range
The 810 F ratchets and has a 20 degree flex head.
The 811 N has interchangeable heads.
The 812 N is intended to be used in high torque applications.
Made in Italy.
USAG Tools, Italy is a brand of Stanley Black & Decker. http://www.usag.it
http://www.usag.it/en (English website)