The metric sizes included in this set are as follows: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm
These are standard 6 point sockets. Also included in the set are 3" & 6" Extensions Spinner Handles, and a Universal Joint Quick Release Ratchet. These sockets are supplied in metal case for easy storage.