Forged from high quality steel, internally bevelled for easy fitting to bolt heads. Internal square to DIN 3120.
Advantage:
Hexagon screwdriver set with retainer ball, for secure clamping of the inserted screw
Standard:
DIN 7422
Material:
Chrome vanadium steel, satin chromium plated.
Square drive: 3/8 in
? drive end: 17.5 mm
Length: 100 mm