* Multi functional tester with plain slot blade
* Applications include bulb and fuse testing
* Locates break point in wiring
* Detects microwave leakage
* Continuity and socket testing
* The Rolson All Purpose Voltage Tester Screwdriver with plain slot blade is a simple electrical device that you can use to see whether a circuit is carrying a current. This screwdriver can be used on a variety of applications including bulb and fuse testing locates break point in wiring detects microwave leakage continuity and socket testing.