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The base of the laser has a vertical sliding adjustment allowing micro height adjustments. The laser swivels 360 in its base, and allows laser coverage for approximately 300 degrees on its base – a really nice feature! A metal plate is provided to screw to a wall and allow the laser to slide vertically via its magnets. Lasers are classified for safety purposes based on their potential for causing injury to humans’ eyes and skin.
Most laser levels specify their accuracy right on the packaging. If it’s more than ¼-inch deviation at 100 feet, keep on shopping. While vertical and horizontal line guides are extremely useful in most applications, sometimes they still aren’t precise enough for pinpoint accuracy. Under these special circumstances, a point line laser like the Bosch GLL 1P is hard to beat.
Dual-slope means that the line will move along both the X axis and Y axis. X mode is used often to “walk” the line in vertical mode for aligning metal track. Y is used to angle the line in horizontal mode for setting slope or setting pitch on a driveway. The big difference between laser lines and laser spots is spots are greatly more visible in bright light and across distance. The Bosch GLL 100 G Green-Beam Self-Leveling Cross-Line Laser uses green-beam technology, and has a working range up to 100 Ft. It includes Bosch-exclusive VisiMax™ technology, which allows for outstanding line visibility in standard working conditions.
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The DEWALT DW073 Cordless Rotary Laser provides an effective way to work faster, smarter and much more precisely on a wide variety of layout and installation jobs. The 360-degree manual-leveling laser system is accurate to within -1/4 -inch per 100 ft., and has dual side-by-side laser diodes for an extremely bright, visible beam. The unit comes calibrated and ready to work, with an indoor visibility range of 200 ft.
Spot lasers differ from line lasers in that they project a small circle of light onto the surface your laser is focused on. They are intended for transferring points from one surface to another. This could be for making sure a joist or wall is plumb or to ensure pipes traveling from floor to floor are plumb. Spot lasers are most commonly used for plumbing installation, electrical work, HVAC, and framing applications.
The point laser marks a single specific point on any flat surface. For mounting projects that require the precise placement of nails or screws, such as a kitchen remodel, the single point offers dewalt Hand tools an exact reference. Many laser levels can emit two or three beams simultaneously, allowing you to see both horizontal and vertical guidelines, as well as a cross-point for those lines.