Kobalt 238 Piece Standard SAE Metric Mechanics Tool Set With Foam Trays (No case). Kobalt’s 238-piece mechanic’s tool set features 1/4-inch, 3/8-inch and 1/2-inch drive 90-tooth ratchets, sockets and bit sockets as well as standard length combination wrenches. Additional tools include drive adapters, extensions, hex keys, screwdrivers, pliers, adjustable wrenches as well as a bit driver handle and spinner handle paired with insert bits. 1-in Drive Ratchet Included. Number of Additional Tools Included. 1/2-in Drive Ratchet Included. Number of Drive Tools. 1/4-in Drive Ratchet Included. 3/4-in Drive Ratchet Included. Number of Quick Release Ratchets. 3/8-in Drive Ratchet Included. Deep Socket(s) Included. Shallow Socket(s) Included. Spark Plug Socket(s) Included. Intermediate Socket(s) Included. Total Number of Pieces. Standard (SAE) and Metric.