Features and Benefits:

• • Forged from the finest chrome molybdenum alloy steel – the best choice for strength and durability
  • Radius corner design – to extend the life of fasteners
  • Includes a strong molded storage case
  • Includes the following sizes: 3/16 in., 7/32 in., 1/4 in., 9/32 in., 5/16 in., 11/32 in., 3/8 in., 7/16 in., 1/2 in. and 9/16 in.

This is an impact socket set. It has 10 pieces. It is 1/4 in. drive. Individual sockets are covered by manufacturers lifetime warranty promise