• 6-7/8" diameter, ABS reel.
• 18 Gauge copper wire with insulated alligator clips.
• Retractable test leads pull out and stay at desired length.
• Rewind test leads into its own protective case when not in use.
• Maximum: 10amps (unwound), 6amps (wound)
• Used for testing electrical circuits in cars, trailers, boats and more.