Features: 
Material: premium chrome vanadium steel
Drop forged, entirely hardened and tempered
Advantages:
Ratchet: works both way, screw direction can be changed with button
72 - teeth, 5° working angle
Stop ring on the ring part of the wrench prevents unexpected slip of the wrench from the nut and positioning back on the nut.
It enables quick and easy tightening of the nut without causing damage to the user and quick, save and precise positioning of the wrench on the nut.