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recent projects since its far faster to use than an actual plumb bob or level.

At that distance, the line measured about 7/16 inch wide, but it was easy to see. The Best Laser Level Option: DEWALT Line Laser Self-Leveling, Red, 3.

Even when I tested it at 130 feet inside, I could clearly see the line, though admittedly the day was gray and overcast with little sun coming through the windows, and the interior lighting was fairly low. When I tested the DeWalt 3 x 360 for level inside my house, the green laser line was crisp and bright 50 feet from the instrument. Even with the best green lasers, the visibility of the line fades rapidly in sunlight. Lasers don’t operate much better than your average vampire when subjected to direct sunlight. It can be used for many tasks, among them setting a door jamb plumb, marking stud and ceiling joist locations for attaching drywall, and laying out tile on floors and walls.Īfter confirming that the level and plumb planes were dead on, I used a bit of geometry that I learned in the 1970s to confirm that these planes ran at true right angles to one another (see Testing a Laser for Accuracy). Repair Parts Home Power Tool Parts DeWALT Parts DeWALT Laser Level Parts DeWALT DW082K (Type 1) Laser Plumb Bob Kit Parts DeWALT DW082K (Type 1) Laser Plumb Bob Kit Parts We Sell Only Genuine DeWALT Parts Popular Parts Kit Box 28.01 Add to Cart Search within model Questions & Answers Default Fig 3 Bat. One particularly helpful feature is an adjustment knob that fine-tunes the position of the plumb plane, which is visible on the floor, up the wall, and back over the ceiling. When I tested this instrument for accuracy, I found that it exceeded DeWalt’s listed specification of 1/8 inch over 30 feet for level.

It shoots a horizontal level plane, a vertical plane that runs perpendicular to the level plane, and a second vertical plane that runs perpendicular to the first vertical plane and also runs perpendicular to the horizontal plane. DeWalt’s 20-volt 3 x 360-degree line laser emits three laser beams that appear on solid surfaces as lines but are, in effect, laser planes because those lines radiate from the instrument in all directions (360 degrees).