Kraftwerk 204.104.800 Socket Wrench Set 200-piece. Includes 1/4 inch, 3/8 inch, and 1/2 inch sockets. 1/4 inch sockets range from 4 - 14 mm, 3/8 inch sockets from 10 - 19 mm, and 1/2 inch sockets from 10 - 32 mm, along with adapters and extensions. All tools are neatly organized and easily accessible in a sturdy case with 2 latches. The hand tools from the New-Basic-Line offer high comfort and better grip. With this socket set, you are well-equipped for a variety of screwing tasks.