•Marked in standard and metric sizes.
•This popular solid steel spark plug gauge is designed with a tapered edge for gauging spark plugs and with a flanged hole to adjust the side wire of plugs without pressuring center electrode.
•Used to gap all plugs from .020”~.100” (0.5mm to 2.53mm).
 

•Marked in standard and metric sizes.
•This popular solid steel spark plug gauge is designed with a tapered edge for gauging spark plugs and with a flanged hole to adjust the side wire of plugs without pressuring center electrode.
•Used to gap all plugs from .020”~.100” (0.5mm to 2.53mm).