The Budd impact socket is an interesting new product that is used to remove the wheel nuts and studs on dual truck wheels. Using the Budd socket the operation can be done with the one socket. Firstly removing the outer wheel nuts, then without changing the socket or even flipping the socket, it can also remove the inner dual square drive studs. This removes the need for have 2 sockets for this operation. CR-MO
41 x 21mm, One Socket - two sizes!