4001 - Circuit Tester

• 3.5" slim testing lead for reaching into fuse boxes and behind terminals.
• Insulated alligator clip for fast and easy grounding.
• Sharp testing probe for piercing insulation to contact wire.
• Light indicator inside circuit tester handle to indicate live connections.
• Extra long 59" cord for more flexibility when testing circuits around the house or large vehicles.
• Molded strain relief on ground wire for longer life of the tool.
• Testing bulb is replaceable.