CRAFTSMAN CMMT45256 256-Piece SAE Metric Polished Chrome Mechanics Tool Set with Hard Case. 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.