Feeler Gage - Right way of the feelers

How to put the feelers in the right way of use ?

[johnpaulstez]

Could you show the product in use? I would think the point of a tool like this is to measure a gap electronically and remove the need to develop a sense or "feel" of manually measuring, which can vary drastically.

[vaderwalks]

How much does this cost? Can't find the price anywhere. I need to order one for work because using manual ones in my line of work gets the etched numbers dirty and scratched easily.

[im-that-guy-pal]

What's the point of it being electronic?

This is not useful where torque based adjustment