This Snap-on hex socket set includes a total of 6 pieces with a mix of SAE and metric sizes, ranging from 10mm to 5/8in. The set comes with standard sockets in a 3/8in drive size and a hex/allen drive type. It is ideal for automotive and hand tool applications.The set is sold as a complete set and includes a 14mm, 13mm, 10mm, 1/2in., 5/8in., and 9/16in. socket. It is perfect for both SAE and metric measurements and suitable for anyone looking for an all-in-one solution. This socket set is an excellent addition to any automotive tool collection.