Sealey Reverse Action Spark Plug Thread Chaser 12mm Application_Stainless Steel Model No ST33

Model No ST33

Blade Pitch: 18tpi

Capacity: 199L

Wall brackets for Model No

CONSISTENT HEAT - Provides consistent heat

Sealey Reverse Action Spark Plug Thread Chaser 12mm Application_Stainless Steel Model No ST33Sealey Reverse Action Spark Plug Thread Chaser 12mm Specially designed to repair damaged spark plug threads on modern petrol engines. Unique design allows the tool to be passed through the plug thread into the combustion chamber, then expanded to the correct size starting on the inner, undamaged threads. Traditional thread restorers rely on luck for the restored and undamaged threads to align. The first letter(s) of a Denso, NGK and Bosch plug code is