The product is a set of two SNAP-ON spark plug sockets in sizes 13/16" and 5/8". These sockets are designed for easy installation and removal of spark plugs in automotive engines. The Snap-on brand is known for producing high-quality hand tools, ensuring durability and reliability for professional automotive mechanics and DIY enthusiasts alike. The 3/8" drive size provides a secure grip on spark plugs, making it an essential tool for any automotive maintenance or repair project.