Extech ET40

Extech ET40: Heavy Duty Continuity Tester

Pen-style Continuity Tester with 30" (76cm) test lead with alligator clip

ET40 Heavy Duty Pen Style Continuity Testers. Ideal for checking continuity of non-energized circuits, fuses, switches, relays and wiring. 30-Inch test lead with alligator clip.