3/8" Sq.Dr. Shallow Impact Sockets, 6PT/MM: 1) Both with groove and ... available 2) SIZE: 7MM-22MM 3) ISO9001 3/8" Sq.Dr. Shallow Impact Sockets, 6PT / MM Specifications:7, 8, 9, 10 ... best choice.Thanks for visiting our website!! 3/8" Sq.Dr. Shallow Impact Sockets, 6PT/MM