3/8" Sq.Dr. DEEP Impact Sockets, 6PT/MM: 1) DEEP LENGTH 2) MM SIZE, ... 22MM 3) ISO9001:2000, CCC 3/8" Sq.Dr. DEEP Impact Sockets, 6PT / MM Specifications:7, 8, 9, 10, 11, ... to meet industrial specificationsComfortable appearance design and safe packing designStandard, Deep Impact SocketsWide variety of Accessories We have various types, welcome ... our website!! 3/8" Sq.Dr. DEEP Impact Sockets, 6PT/MM