Rechargeable Self-Leveling Green Planar Laser LevelThe Klein Tools Self Levelling Cross Line Laser Level is a high performance laser leveling and alignment tool for professionals. This level provides a reliable, pendulum self leveling system to allow you to measure with confidence. Clear, powerful laser level lines can be projected independently to aid anything from hanging a picture to aligning concrete. Up and down plumb bobs are much more precise than a traditional string bob. Equipped with an