... the International quality standard DIN-ISO. Screwdriver bitMaterial types: Cr-V 6150, S2Surface treatment: sandblasted, tin-coating, Cu-coating ... PVC bag, colorbox.Nut driver (nut setter)Material: Cr-V steel,types: non-magnetic and magneticSurface treatment: Zn-coating ... , sandblasted, Ni-coating, Cr-coatingFitting nut size: 6mm-13mmOverall length: 65mm, 42mm, ...