Zmart Spark Plug Tester Double Hole Diagnostic Tool for Cars 12V Spark Tester 0-6000rpm Automotive Engine Ignition Detection Tool with Japanese Instru

Jfind JF109 Double Hole Spark Plug Tester: 1. Double 13mm Hole 2.2A Power Supply 3. Technical Tip 4. 0-6000rpm/min 5. Reinforced Resistance Coil Other Features of Our Spark Plug Tester: 1. Double holes for easier spark comparison and better performance 2. 2A power supply allows for larger sparks than a 1A power supply (1A may result in poor performance or smaller sparks) 3. Technical tip ensures more stable performance, preventing spark plugs from failing to generate sparks 4. Reinforced resistance coil for brighter sparks Support List for Jfind JF109 Double Hole Spark Plug Tester: The JF109 supports testing of 13mm spark plugs in automobiles, motorcycles, speedboats, motorboats, croppers, etc. Jfind JF109 Double Hole Spark Plug Tester: 1. Double 13mm Hole 2.2A Power Supply 3. Technical Tip 4.0-6000rpm/min 5. Reinforced Resistance Coil Other Features of Our Spark Plug Tester: 1. Double holes for easier spark comparison and better performance 2. 2A power supply allows for larger sparks than a 1A power supply (1A may result in poor performance or smaller sparks) 3. Technical tip ensures more stable performance to prevent spark plugs from failing to generate sparks 4. Reinforced resistance coil makes sparks brighter Support List for Jfind JF109 Double Hole Spark Plug Tester: The JF109 supports testing of 13mm spark plugs in cars, motorcycles, speedboats, motorboats, croppers, etc.