1000V 1/2" Drive Extension 150MM

• 2 layer coating insulation with different colors. Red: safety. Yellow: danger
• Material: Chrome-Vanadium steel
• The male square drive is having a slotted screw to move the ball outward or inward and block or unblock the socket to it
• The male square tolerances and torque requirements comply with the respective ISO standard
• For protection against inadvertent shock when working on circuits up to 1000V.