SPECIFICATIONS: Motor : DC 12V (Powered on car cigar lighter) Fixed Current : 6.9AMP Max Torque : 250FT-LBS(35M-KGS) Socket Sizes : 11/16"(17mm),3/4"(19mm) 13/16"(21mm),7/8"(23mm) Impact Wrench Drive Diameter : 1/2?Casing&Product Weights : 5.177LBS(2.35KGS) Electrical Cord Length : 12.7FT(3.8M) Spare Fuse : 13AMP Electrical Wire Size :19AWG( 0.75mm2) HAVE PROVE:CE-EMC/CE-MD/ROHS. MEAS: 55*35*40CM /10PCS N.W 22KG , G.W: 23KG