... sizes available 3. Finish: sandblast Professional screwdriver bits1. Product name: tool parts of screw bit, screwdriver bit, drill bits;2. Length 25 ... PH1,PH2,PH3;Slotted: 4mm,5mm,6mm,Pozi:PZ1,PZ2,PZ3;Hex 4mm,5mm,6mm;Star T10,T15,T20,T25,T27, T30 ... /16" , 1/4";T10, T15, T20, T25, T27, T30, T40; screwdriver bits