... BIT HOLDER: 3/8"&1/2"4PCS-BITS(10MM): 6,8,10,12MM15PCS-BITS(8MM): PH3,4 PZ3,4 ... 55,60 SL8,10,12 H8,10,12,1418PCS-BITS(6.35MM): PH1,2 PZ1,2 T10,15,20,25,27 ... 4,5,610PCS-1/4" DR. SOCKETS: 4,5,6,7,8,9,10,11,12,13MM10PCS-1/4" ... . EXTENSION BAR: 2"1PC-1/4" DR. SPINNER HANDLE: 6"1PC-1/4" DR. BIT HOLDER1PC-BIT ADAPTOR: 1/4 ... SOCKETS: 16MM & 21MM2PCS-3/8" DR. EXTENSION BARS: 3"&6"1PC-ADAPTOR: 3/8"(M)X1/2"(F)4PCS-1 ...