501 Socket Wrench Set (21PC)

Includes 1/4” square drive hex sockets (metric sizes: 4, 4.5, 5, 6, 7, 8, 9mm), spinner handle, 3/8” square drive 12-point sockets (metric sizes: 10, 11, 12, 13, 14, 17, 19mm), socket adapter, spark plug socket (21mm), extension bars (75mm, 150mm), and ratchet handle.