Buy an inexpensive torpedo laser level for occasional use around the house, or if you want a compact level for your tool belt. As with traditional levels, you’ll have to manually align the bubble with ...

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.