electric impact wrench 12V IMPACT WRENCH Material:ABS,Zinc AlloyMotor:DC 12V Fixed ... ),3/4",13/16"(21mm),7/8"(23mm)Impact Wrench Drive Diameter : 1/2”Casing&Product Weights : ... -CMC/CE-MD/ROSH, Letter of patent12V Electric Impact Wrench Product Featurea. Most fashion-forward, mini appearance: Long: ... sockets: 17mm, 19mm, 21mm, and 23mm.h. Operation simple, no time to study.i. Saving your effort and time ...