Single hexagon screwdriver 405 6.0 Wiha 03852.

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

Application:
For protecting threads when removing damaged or broken screws with left- or right-hand threads, especially twisted screws with a hex socket. Simply insert the screwdriver, place the socket wrench deeply and unscrew without jamming.