The SNAP ON 13/16 S9719KA & S9704K spark plug sockets are high-quality, durable hand tools designed for automotive use. Made in the USA by the trusted brand Snap-on, these 6-point sockets feature a chrome finish and come in a set of 2. The 3/8″ drive size and standard size of 13/16 inches make them versatile for various applications. With a lifetime warranty, these sockets are a reliable and essential addition to any mechanic’s tool collection.