Take on your next project with the Kobalt 139 Piece Impact Socket Set and Storage Collection. The 139-Piece Standard (SAE) and Metric 1/2-in;3/8-in Drive Set 6-point Impact Socket Set includes a professional assortment of SAE and metric, 3/8-inch and 1/2-inch drive sockets and is made from chrome vanadium steel with a durable impact-grade black oxide finish to help prevent corrosion. The 24-volt Max Variable Speed Brushless 1/2-in Drive Cordless Impact Wrench uses innovative electronics and motor technology to deliver up to 650 ft-lb of nut busting torque and has a new compact size to allow the user to fit the tool into tighter spaces.