Kobalt 319-Piece Mechanic's Tool Set

Our new 319-Piece mechanic's hand tool set contains 1/4-in, 3/8-in and 1/2-in drive sockets, ratchets, wrenches and other assorted tools to help complete any job. Other tools include 40 hex keys, 12 nut driver insert bits and 122 screwdriver insert bits. Sockets, ratchets, drive adapters and extensions are constructed from chrome vanadium steel and heat treated for strength and durability with a professional grade, high-polish finish. Our Pro90 ratcheting mechanism delivers a 4° precision swing that offers improved mobility in tight work spaces. Metric and SAE socket sizes are easy to identify with laser etched size call-outs and color-coded stripes to identify metric (blue) and SAE (red) measurements. Contained in a convenient 3-drawer chest for easy storage and transportation. Meets or exceeds ASME specifications. Hassle-free lifetime guarantee.