... types: Cr-V 6150, 8660, S2Surface treatment: sandblasted, tin-coating, Cu-coating, Ni-coating, Cr-coating, Zn-coatingHead types: PH, PZ, slot, Torx, square, hex ... : Cr-V steel, types: non-magnetic and magneticSurface treatment: Zn-coating, sandblasted, Ni-coating, Cr-coatingFitting nut size: 4mm, 5mm, 5.5mm, 6mm ...