One-Sided Pulse Line Laser Detector TS41857 Its fixed leg is perfect

Its fixed leg is perfect for first-order leveling application and with the brass hinge pins

and drywall track effortless

The included multifunctional elevating magnetic bracket with rare earth magnets allows you to mount this Johnson Level line laser on walls

With an accuracy of up to three percent

(1) - Grinding wheel flange kit

One-Sided Pulse Line Laser Detector TS41857 Its fixed leg is perfectDesigned to work with Johnson line generating lasers with pulse feature, such as the 40 660240 6662, 40 6637 the Johnson 40 6780 One Sided Line Laser Detector senses the pulsating light emitted by the laser and quickly and accurately locates the beam even when it is invisible to the human eye. This laser receiver features high sensitivity settings, single backlit display, and clamp for mounting to leveling staffs or grade rods. Plus, it operates