The DeWalt DW087K self-leveling line laser is accurate to /- 1/8 @ 30 for level applications and is self-leveling within 4°. The magnetic pivot bracket in this DeWalt tool helps the leveling laser to attach itself to any metal surface to exploit nearly 360° operation. In addition, this DeWalt power tool comes with a universal wall mount as well. Designed to save time on the jobsite, the laser has a one-button operation.The DeWalt DW087K self-leveling line laser works great for hanging items or for mounting boxes, steel framing walls, ceilings and trim setting cabinets. The full over-molded housing of DeWalt DW087K ensures durability in the harsh jobsites. It has an out of level indicator in which the beams flash when the laser level is out of level.The tool can easily take care of leveling requirements for steel framing in walls, ceilings, soffits, and trim work in setting cabinets and aligning head casings. The kit includes line laser, kit box and 3 AA batteries.