... 1/2"&1/4" Dr SOCKET SET Marterial:Chrome-vanadium steel. Surface treatment:Honed Nickel Plated Sockets Rigidity HRC48 94PCS 1/2"&1/4" Dr SOCKET SET :Contents:13PCS-1 ... /4" DR. SOCKETS: 4,4.5,5,5.5,6,7,8,9,10,11,12,13,14MM(6PT ... )8PCS-1/4" DR. ... 6PT)4PCS-1/2”DR.DEEP SOCKETS:14,15,17,19MM2PCS-1/2”DR.SPARK PLUG SOCKETS:16MM&21MM2PCS-1/2”DR.EXTENSION BARS:5”&10”1PC-1/2 ...