High quality Italian made socket. Will work with all types of plugs. Made by Negrini in Italy
Considered one of the best sockets on the planet.
Note: You now may use the two individual mouse hole(s) for the blade wires on your sockets, see the attached pdf file from the FOC: Click Here, You may need this document if you are attending a smaller meet where the refs may not know of the FOC change. You may want to print it and carry it with you in your bag just in case.