A Very Handy Tool for Electricians and Diyers Suitable for a Number of Electrical Applications such as Continuity Testing or Polarity Verification. The LED Lights up Inside when the Magic Sense Thumbpress and Screwdriver Tip are Touched Simultaneously (see pic). A Fuse or Bulb can then be placed Inline to Indicate if it has Continuity or is Blown. Batteries with Unknown Terminals can also be Verified in a similar way, the Screwdriver Tip will Indicate the Positive Battery Terminal. Also Makes a Brilliant Terminal Driver Suitable for 5 to 15 Amp Sized Terminal/Connector Screws etc..
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