Blackspur Mains Tester Screwdriver 7.5"Product code: MT101
This mains tester is suitable for testing AC voltages from 100 up to 250V against earth. The metal part on top of the indicator must be touched to operate it & the earthing position of the user largely determines whether it lights up or not. It should not be used a screwdriver.
Weight: 0.04 kg