1/2" Sq.Dr. Shallow air Impact Sockets, 6PT/MM: 1) Both with groove and without groove are available 2) ... ) ISO9001 1/2" Sq.Dr. Shallow air Impact Sockets, 6PT / MM Specifications:8, 9, 10, 11, 12, 13, 14, 15, 16 ... , 24, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 38, 41MM ALL ARE AVAILABLE Packing details: single box ... website!! 1/2" Sq.Dr. Shallow air Impact Sockets, 6PT/MM