450-Piece Mechanics Tool Set 1/2 Drive Air Impact Wrench

Package 1: 450-Piece Mechanics Tool Set - 1/4in, 3/8in and 1/2in Quick-release ratchets feature a fine, 45-tooth gear, providing a 8° arc swing. Lbs of working torque, free speed of 7500RPM, which is perfect for heavy maintenance, installing and removing heavy fasteners, and auto/machine installation.