A storage kit for hex keys includes a barrel having one end provided with multiple blind holes each adapted with a channel to hold a hex key to help apply torque as a handle; and a cap holding hex keys together in the barrel to be pulled out of or inserted into the barrel at the same time; channel by; and another end of barrel having multiple insertion holes to store tips of other hand tools such as a screwdriver for the kit to function as the handle of the screwdriver.