... )2.Application: screwdriver bits, power bits, pneumatic power bitsS2 material3.Wide range of Tips selection:1)Phillips,Slotted,Torx,Pozidriv,Quadrex,Frearson,Sockethead ... available2)Wide range of Tips selection3)Wide range of Coating selection:Sand blasting, titanium,Chrome electro-plating, manganese hypophosphite both them available for us Head With colorful ...