Lisle 20530 10mm Spark Plug Adapter for Compression Tester Single Use Batteries Speed Range Low (rpm): 400

Speed Range Low (rpm): 400

- Angled nose for easier access

Made of very strong plastic

19mm 12pt Metric Flex Chrome Combination Wrench

Applies all popular brands of undercoat in any viscosity

Lisle 20530 10mm Spark Plug Adapter for Compression Tester Single Use Batteries Speed Range Low (rpm): 400The 20530 is a 10mm thread adapter. Adapts to M14X1. 25 6H Threads.?? The Lisle 20530 Spark Plug Adapter is a replacement adapter designed for 10mm spark plugs and is compatible with the Lisle Compression Tester # LST 20250. It comes with an O ring for a secure fit and accurate compression readings.??One reviewer says this fitting works perfectly when attached and provides plenty of threads to complete a test.