This set of S-K Tools 1/2 drive deep sockets includes 5 pieces, with sizes ranging from 1/4 inch to 7/8 inch. These sockets are perfect for use in mechanics and hardware applications, and are made from high-quality materials for durability and long-lasting use. The brand, SK, is known for their reliable and efficient tools, and this set is no exception. Whether you're a professional mechanic or a DIY enthusiast, these sockets are sure to be a valuable addition to your tool collection.