Retractable Grounding Wires, 20' Length, Light-DutyFor use where a discharge of static electricity could cause a spark and subsequent explosion A slight pull on the cable releases the mechanism causing retraction Replace loose tangled grounding cables with compact retractable reels Alligator clip included Positive latching mechanism holds cable at any length Bearing surfaces are permanently lubricated Cable Length: 20' Cable Type: Light Duty Manufacturer Part Number: 200 20R Weight: 3. 5 lbs.