Single hex screwdriver 405 5.0 Wiha 03851.

Material:
Ductile-hard chrome-vanadium-molybdenum steel, fully hardened, chemically blackened.

Application:
Used for protecting thread during removal of damaged or broken screws with left- or right-handed threads, especially twisted screws with a hex socket. Simply insert the screwdriver, firmly attach the socket wrench and unscrew without slipping.