... combination of strength and impact resistance. 2.Advantages: Factory direct price 151PCS 1/4" & 3/8" & 1/2" Dr Socket Wrenches Set ... DR. SPINNER HANDLE: 6"1PC-1/4" DR. BIT HOLDER11PCS-3/8" DR. METRIC SOCKETS: 9,10,11,12,13,14 ... ,E10,E11,E12,E14,E16,E18,E202PCS-3/8" DR. EXTENSION BARS: 3"&6"2PCS-3/8" DR. SPARK PLUG SOCKETS:16MM & ... BIT SOCKETS: SL4,5.5,6.5 PH1,2,3 PZ1,2,3 HEX3,4,5,6,8,10 T20,30,40 ...