One wrench fits 13/14/15/16mm. The other wrench fits 15/16/17/18mm. These two wrenches cover a very wide range of hub sizes. Please consider purchasing them! Please understand that I will not negotiate a price reduction for this item alone. I will consider discounts for bulk purchases or combined purchases with other items, so please comment. Please purchase without commenting unless you are in a hurry. (Shipping may be delayed by more than a week due to long holidays or business trips. If you are short on time, please be sure to contact me in advance to confirm the delivery date.)