12V IMPACT WRENCH Product Featurea. Most fashion-forward, mini appearance: Long: 22 mm, weight:1.3kg, mini size, no spaceb. Free use of air compressors, large torque: 340N.W, it easy removes and installs the boltsc. 12-volt DC power , it can work when insert it to cigarette lighter. And it can start the car self-owned jacksd. It can be clockwise, counterclockwise turned, can tight and loose the ...