The specially designed tube spanner has a 1 1 16 socket to suit suburban anodes on one end the other end has a 1 1 2 socket to suit the element. If you don t already have a honkin big breaker bar get one of those too. Be sure to use a 1 2 drive socket an extension 6 to 12 and a long handled socket wrench or better yet a breaker bar if you have one.