Additional Details ------------------------------ Included components: 1/4" Drive 2 inch Extension Bar (1) | 1/4" Drive 4 inch Extension Bar (1) | 3/8" Drive 5 inch Locking Extension Bar (1) | 3/8" Drive 10 inch Locking Extension Bar (1) | 3/8" Drive to 1/2" Drive Adapter (1) | 3/8" Drive to 1/4" Drive Adapter (1) | 1/4" Drive Universal Joint (1) | 3/8" Drive Universal Joint (1) | 1/2" Drive Universal Joint (1) | 1/4" Drive Locking Bit Holder (1)