WATE 6 On Your Side on MSN
Why is there a black diamond on my tape measure, and what does it mean?
The average tape measure has several useful markers that the average homeowner never really references.
Tiny black diamonds on measuring tapes are used to mark wall studs. On most measuring tapes, the black diamonds are spaced 19 3/16 inches apart to indicate the typical spacing of joists. Wall studs, ...
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