A feeler gauge is a measuring device used to find out the clearance between two surfaces, akin to a spark plug hole or a valve lash. It consists of a set of skinny, flat blades of various thicknesses, every with a marked dimension. To make use of a feeler gauge, insert the suitable blade between the 2 surfaces and really feel for resistance. If the blade matches snugly, the clearance is the same as the marked dimension of the blade.
Feeler gauges are a necessary device for any mechanic or engineer, and they’re utilized in all kinds of purposes. They’re comparatively cheap and straightforward to make use of, making them a worthwhile addition to any toolbox.
