... 2.65mm,75mm and different size 3.58-61degree hardness 1,1/4" double end screwdriver bits 2,Application: screwdriver bits, power ... Phillips,Slotted,Torx,Pozidriv,Quadrex,Frearson,Sockethead,Square recess,Torq-Set,MorTorq,Tri-Wing,Triple Square are available5,Wide range of Coating ... for us OKMA codeHead typeLength(mm)18-0860PH1X14518-0867PH2X24518-0878PH3X345 1/4" popular double head screwdriver bits