Suitable for designers, engineers, mechanics to measure the thickness of tappet clearances, spark plugs gaps, bearing clearances, piston ring gaps and other hard to reach places.
Warm Notice:
--There is some anti-rust oil on the stainless steel feeler gauge to prevent it from rusty, please don’t worry about that.
--The error of measurement is within .0008inch to .040inch
--Please clean up the machine before measuring. It shouldn’t be measured when the machine has high temperature. Your action should be light and you shouldn’t insert it forcefully when measuring.