77pcs 1/2" & 1/4" Dr. Socket Set Forged chrome vanadium Widely used in mining, metallurgy, shipbuilding, electric power and automobile industry and so on Including the following products: 9-6.3mm Dr.Hex sockets:5,6,7,8,9,10,11,12,13mm 1-6.3mmDr.Flipper ratchet 1-6.3mm Dr.Universal joint 1-6.3mm Dr.Sliding T bar:110mm 1-6.3mm Dr.Extension rod :3" 1-6.3mm Dr.Bit adapter*2-12.5mm Dr.Extension rod:5",10" 1-12.5mm Dr.Spark plug socket:21mm 13-12.5mm Dr.Hex sockets:10,11,12,13,14,15,17,19,22,24,27,30,32mm 1-12.5mm Dr.Flipper ratchet 1-12.5mm Dr. Universal joint 22-25mm Bits: Hex:H3,H4,H5,H6;Slotted:3,4,5,6,7mm;Philips:PH1.PH2,PH3;Pozi:PZ1,PZ2,PZ3; Torx:T10,T15,T20,T25,T27,T30,T40 7-Flat head hex key wrench:1.2,2,2.5,3,4,5,6mm 11-Combination wrench:8,9,10,11,12,13,14,15,16,17,19mm 4-Two head adjustable socket wrench:8*9mm,10*11mm,12*13mm,14*15mm 1-Blow case