After buying the RockSeed Cross Line Laser with Self-Leveling, all that changed. This $30 tool eliminated the guesswork of hanging mirrors, artwork, and tackling other projects around my house. I no ...

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 ...