<Tr> <Th_colspan="2"> This box: <Ul> <Li> view </Li> <Li> talk </Li> <Li> edit </Li> </Ul> </Th> </Tr> <Ul> <Li> view </Li> <Li> talk </Li> <Li> edit </Li> </Ul> <P> A hex key, Allen key or Allen wrench is a tool used to drive bolts and screws with hexagonal sockets in their heads . </P> <P> The Allen name is a registered trademark, originated by the Allen Manufacturing Company of Hartford, Connecticut circa 1910, and currently owned by Apex Tool Group, LLC . Its genericised use is discouraged by this company . The standard generic name used in catalogues and published books and journals is "hex key". </P>

Is a hex key the same as an allen key