If you want to keep construction lines consistent, how about a rotary or straight line laser level? A laser level allows you to create a trustworthy straight line that can be used to mark interior walls or exterior foundation supports. Straight line laser levels and self-leveling laser levels shoot a 180-degree beam, both horizontally and vertically, to create a chalk line of light. Typically, a rotary laser level is put in the center of a room, then the laser shoots a 360-degree beam that allows you to take level measurements for all four walls simultaneously. We also carry top-brand Bosch laser levels and accessories. Zoro also has a super selection of laser level accessories, leveling rods and tripods, electronic and laser leveling kits, and box, I-beam, and torpedo levels.