The Electronic Torque Wrench provides 2 accuracy clockwise and 3 accuracy counterclockwise, better than the 4 accuracy of mechanical torque wrenches. U.S.A. Drive in. 3/8, Pieces qty. 1. Electronic torque wrench Provides 2 accuracy clockwise and 3 accuracy counterclockwise, better than the 4 accuracy of mechanical torque wrenches Easily converts between three units of measure ft.-lbs., in.-lbs. and Newton-meters Nm Provides both audible and visual cues Easy-to-read 'traffic light' indicator tells the technician how close he is to his target and precisely when it's reached Backlit LCD screen Thin-profile Sealed teardrop ratchet head for better access and increased strength 60-tooth gear with 6 ratcheting arc Slip-resistant knurled aluminum grip U.S.A.