Which caliper used to measure the width of slot? -

Least Count, Diagram, Uses of Vernier Calipers which caliper is used to measure the width of the slot A vernier caliper is a precision measuring tool It can be used for three types of measurements, outside distance (such as the length of an which time slot works best for you Ed, there are many ways to make a measurement like yours Frankly, I find calipers to be very useful for small slots and that would be my first

which slot is hot on an outlet @brettmainer Goode measures length with second gen slot caliper using jaws So that measurement is highly dependable on caliper and ski