... Marterial:Chrome-vanadium steel. Surface treatment:Honed Nickel Plated Sockets Rigidity HRC48 94PCS 1/2"&1/4" Dr ... 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. DEEP SOCKETS: 6,7,8,9,10,11,12,13MM17PCS-1/4" DR ... . BIT SOCKETS: SL4,5.5,7 PH1,2,PZ1,2,HEX3,4,5,6 ... 1/4" DR. BIT ADAPTOR18PCS-1/2" DR. SOCKETS: 10,11,12,13,14,15,16,17,18,19 ...