The Klein Tools Rechargeable Self-Leveling Green Planar Laser Level Is A High-Performance Laser Leveling and Alignment Tool For Professionals. Clear, Bright Green 360-Degree Lines In The X-, Y-, and Z-Planes Project From This Level, and Offers Plumb Up and Plumb Down Marks. Equipped With An Integrated Magnetic Mount and 1/4-Inch-20 Tripod Mounting Threads, Klein'S Self-Leveling Laser Level Is More Precise Than A Traditional Spirit or Box Level, and Enables A Multitude Of Alignment.