... DR. BIT HOLDER1PC-BIT ADAPTOR: 1/4"(M)x3/8"(F)14PCS-3/8" DR. SOCKETS: 9,10,11,12,13,14,15 ... ,21,22MM9PCS-3/8" DR. SOCKETS: 3/8",7/16",1/2",9/16",5/8",11/16",3/4",13/16",7/8"8PCS-3/8" DR. ... TORX SOCKETS: E8,E10,E11,E12,E14,E16,E18,E204PCS-3/8" ... 13,14,15,17MM2PCS-3/8" DR. SPARK PLUG SOCKETS: 16MM & 21MM2PCS-3/8" DR. EXTENSION BARS: 3"&6"1PC-ADAPTOR: 3/8"(M)X1/2"(F ...