S & G Tool-Aid 36350 Spark Checker Kit for Recessed Plugs & More Rivets Screw Size 9/16 in

Screw Size 9/16 in

Socket cold forged with high alloy US steel for maximum strength

Century Drill and Tool 24038 29pc Black Oxide Drill Index - 3/8" Reduced Shank

Reverses to work on 17/64" or 21/64" pinholes

(2) Self-Tapping Screws

S & G Tool-Aid 36350 Spark Checker Kit for Recessed Plugs & More Rivets Screw Size 9/16 inUse to test spark plug circuits, electronic fuel injection signals and idle air control circuits. Quickly diagnose "no start" and engine miss conditions in the electrical fuel injection and spark plug circuits. Analyze rough running engines. Includes: Cat. No. 23970, In Line Spark Checker Kit for Recessed plugs (A must for testing newer vehicles with recessed spark plugs plus conventional and coil on plug ignition systems); 8 Noid Lights (for checking