The DW087K self-leveling line laser is ideal for horizontal (level) AND vertical (plumb) interior applications. This laser is designed to provide the professional user with maximum durability as well as the easiest to operate self-leveling laser on the market. The DW087K comes standard with a magnetic pivot bracket for nearly 360° operation and attaches to any metal surface. It has been designed to save you time and increase production on the jobsite, utilizing a one-button operation that is quick and easy to use. It is highlighted by a full over-molded housing that helps maintain calibration under rigorous jobsite conditions. It is self-leveling within 4 degrees, accurate within /- 1/8" @ 30' and has an out of level indicator in which the beams flash when out of level. In addition, the DW087K comes with a universal wall mount, allowing the user to attach the laser mount to track for drop ceilings and/or wood surfaces for residential applications.