It’s probably overkill for hanging a few pictures, but if you’re doing more serious DIY work around the house, this three-point self-leveling laser can project perfectly straight vertical and horizontal lines across any wall, and it’s down to $89 today with promo code OWQZHZ3O.
from Lifehacker http://bit.ly/2FgZTfJ
http://bit.ly/2CVrCBg