... CE-CMC/CE-MD/ROSH, Letter of patent12V Electric Impact Wrench Product Featurea. Most fashion-forward, mini appearance: ... , large torque: 340N.W, it easy removes and installs the bolts c. 12-volt DC power ... It can be clockwise, counterclockwise turned, can tight and loose the bolts.e. European high specification “ ... sizes six point sockets: 17mm, 19mm, 21mm, and 23mm.h. Operation simple, no time to study ...