1/2" Sq.Dr. Shallow air Impact Sockets, 6PT/MM: 1) Both with ... groove are available 2) 8MM-41MM 3) ISO9001 1/2" Sq.Dr. Shallow air Impact Sockets, 6PT / MM Specifications:8, 9 ... , 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 38, 41MM ALL ARE AVAILABLE Packing details: single box + Standard ... your best choice.Thanks for visiting our website!! 1/2" Sq.Dr. Shallow air Impact Sockets, 6PT/MM