The Crescent 205-piece 1/4, 3/8, 1/2 in. drive SAE/metric mechanics hand tool set contains a carefully selected assortment of hand tools needed for most industrial, mechanical and consumer applications. The set includes (3) 72-tooth quick release ratchets, allowing for rapid socket exchanges, a ratchet gear that turns fasteners with a precision 5° swing arc and teardrop low-profile head for improved access. Sockets in this set include come in metric and SAE sizes, all in 6-point style covering the full range of most common fasteners in shallow and deep socket sizes. Included are 12-point full polish chrome combination wrenches, covering the most common SAE and metric sizes, with high visibility stamped size markings, and professional easy to clean full polish chrome finish. Access even more fasteners with the ergonomic bit driver for superior fastening with the heavy duty S2 steel screwdriver bits covering the most common sizes bit styles, and a full range of hex keys coming in long arm and short arm styles to provide access to more hard-to-reach fasteners. This set comes packed in heavy duty durable blow molded case to provide organization and protection for the set in even the most extreme settings.