Laser levels are indispensable for ensuring measurement accuracy. We tested the best-selling models—see how they fared.

Q: I am hanging a series of wall sconces in my house and I want them to all hang at exactly the same height. Underneath the sconces, I will be installing a chair rail around the perimeter of the room.

We may receive a commission on purchases made from links. Broadly speaking, the purpose of a laser level is to measure long, flat surfaces, as well as ensure that they're leveled out. In theory, the ...

I’ve got some bad news for you: Our eyes are not always reliable sources of information. If you’ve ever stepped back from a completed project and wondered why it doesn’t look right, it’s probably ...