Johnson Level & Tool Self-Leveling Line Laser, Model# 40-6638

The Johnson Level & Tool Self-Leveling Line Laser is the best solution when you need to mark a level plane across a wall. This laser can be used indoors and outdoors. When you are out of leveling range, visual and audible alarms will sound. In manual mode, you can tilt the unit to extreme angles and still have an accurate measurement. The 40-6638 can be used for indoor and outdoor applications: drop ceilings, drywall installation, sprinkler installation, HVAC, ceiling joint and rafter alignment, wallpaper and stenciling/painting, tiling, electrical outlets and switches, install conduit and wiring, track lighting, curtain walls/shower doors, windows, cabinet and countertop alignment, soffits, chair rail/trim, closet shelves/drawers, paneling/wainscoting, site preparation, establishing grades, excavating, landscaping-terracing and retaining walls, grading, digging basements, setting foundation and footers, retention ponds and septic tank, controlling concrete pours, alignment and plumb of concrete forms, leveling deck floors, establish diagonals and footings for decks/patios, contour framing, and drainage.