Johnson Level 40-6637 Self-Leveling 360 Degree Line Laser with Carrying Bag
Johnson Level 40-6637 Self-Leveling 360 Degree Line Laser with Carrying Bag. (4) AA Alkaline Batteries. The 40-6637 360 Degree Line Laser from Johnson Level is a self leveling 360 degree laser line with four horizontal dots at 90 degrees. It has a locking mechanism that protects the pendulum during transportation from job site to job