15pc 1/4" & 3/8" Drive Tool Accessory Set w/ Tough Box

Tough Box case is compatible with other Tough Box cases for stackable locking storage. Hard stamped markings on sockets. Knurled ring adds handling control. Exceeds ANSI specifications. Includes: 1/4" Drive 3" extension. 1/4" Drive 6" extension. 1/4" Drive 10" extension. 3/8" Drive 3" extension. 3/8" Drive 6" extension. 3/8" Drive 10" extension. Three 3/8" Spark plug sockets (5/8" 3/4" 13/16"). 1/4" to 3/8" Drive adapter. 1/4" Drive universal joint. 3/8" to 1/4" Drive adapter. 1/4" Drive drill adapter. 3/8" Drive drill adapter.