Add Yahoo as a preferred source to see more of our stories on Google. On most measuring tapes, the black diamonds are spaced 19 3/16 inches apart to indicate the typical spacing of joists. Wall studs, ...

Measuring tapes are equipped with many different symbols to denote different meanings, one of which is a tiny black diamond. But exactly what these little signs mean is a question many internet users ...

Most people never notice the small black diamond on their tape measure, tucked between the 19 and 20-inch marks Far from being a printing quirk, it is a clever tool designed to divide an 8-foot sheet ...

Tape measures' combination of being straightforward in their functionality and engineering are what have made them must-haves for any home tool kit. In fact, unless you use them professionally, there ...

This is the reason there are black diamonds on tape measures ...