Unior Insulated hexagonal screwdriver socket 3/8" 4mm 619171
material: socket from premium flex chrome vanadium steel
material: bit from premium chrome vanadium steel
entirely hardened and tempered
made according to standard EN60900
Advantages:
double layered - double coloured insulation for additional safety
controlled with electrical test
Important!
if second layer is visible, replace your VDE tool with a new one.