S&G Tool Aid 23920 In-Line Ignition Spark Checker with 90 Degree Boot 017641158939 re-dyes and waterproofs all of

re-dyes and waterproofs all of your black leather

For over 65 years

No special hardware or drilling required - installs fast with pre-applied 3M automotive-grade adhesive

precisely balanced 6-1/4-inch boning knife with flexible blade

S&G Tool Aid 23920 In-Line Ignition Spark Checker with 90 Degree Boot 017641158939 re-dyes and waterproofs all ofBrand Tool Aid Model 23920 IN LINE IGNITION SPARK CHECKER WITH 90 DEGREE BOOT Use to quickly trouble shoot ignition system. Device is hands free. Connects in line between spark plug and spark plug wire. Shows a duplicate view of the ignition spark. Technician can visually check condition of ignition system at each cylinder. Frequency and intensity of flash indicates whether there is an ignition system problem or a fault in the fuel delivery system.