Product details about the SK PROFESSIONAL TOOLS - 4551 Socket Set.A socket set is a versatile toolkit comprising various sized sockets and ratchets designed to fit a range of nuts and bolts. It's a must-have for any industry professional, offering a comprehensive selection of tools housed neatly in a compact case for easy organization and portability.The SK Professional Tools 4551 Socket Set is a comprehensive collection of SAE measurement type sockets, designed to accommodate a wide range of tasks. The set includes both standard and deep socket sizes ranging from 1/4 in to 7/8 in, providing versatility for various applications. It features nine standard sockets and an equal number of deep sockets, each with a 12-point design that allows for precise fitting.Crafted from durable alloy steel, this socket set is built to withstand rigorous use without compromising on performance. Its chrome finish not only enhances its aesthetic appeal but also offers corrosion resistance, ensuring the longevity of the tools. Each socket has a knurled grip style for improved handling during operations.This 21-piece set comes neatly packed in a plastic case with removable top for easy access and storage. The case measures 13 inches in length, eight inches in width, and two inches high - compact enough for convenient portability yet spacious enough to house all components securely. Included within are ten standard 12-point sockets, nine deep 12-point sockets along with drive tools such as round head ratchet measuring at seven-and-a-half inches long.Please note that while these tools are tether capable they do not come ready-tethered nor do they include flex sockets or wrenches. They are hand-driven types featuring non-reversible round heads with sixty geared teeth allowing minimum arc swing of four degrees.