Jonard SSK kits are specifically designed to work with all of their SSK star keys and SSK P-Key. All SSK kits contain the SSK-716 Can Wrench that has two 7/16" hex sockets 1 1/2" deep on either end and can be used to open enclosures that require a 7/16" socket. These tools are used to open outdoor pedestals and are for authorized personnel only.