Bosch 3PT Self Aligning Laser

3 Point, Self-Leveling, Alignment Laser, Unit Points Up/Down & Front To Add Squaring To Plumb, Level & Align Capabilities, Multi-Purpose Mounting Attachment Allows Unit To Be Used Virtually Anywhere, Integrated Reference Lines, For PrecisePositioning Of Tool & Transfer Of Points, Includes: Multi-Purpose Attachment, Hard Carry Case & 3 "AA" Batteries.