Bosch 50 ft. Cross Line Laser Level Self Leveling with VisiMax Technology, L-Bracket Adjustable Mount and Hard Carrying Case GLL 50 - The Home Depot
Johnson Level & Tool - Laser Levels; Level Type: Self Leveling Line Laser ; Maximum Measuring Range (Feet): 200 ; Number of Beams: 1 ; Beam Color: Green ; Accuracy: 3/16" @