Adjustable ignition spark tester / adjustable gap spark plug tester. Pre-owned condition with normal wear from use and storage. Body, wire, alligator clip, red adjustment knob, and brass terminal show scratches, scuffs, and cosmetic wear. Alligator clip shows wear as pictured. Item is being sold as shown. Used to help check ignition spark output on small engines, lawn equipment, motorcycles, ATVs, outboards, and automotive ignition systems. Adjustable 0–40kV style scale. Includes only the tester shown in the photos. Exact item pictured will be shipped.
