Interior/Exterior Multi-Line Self-Leveling Lasers
4 lasers cross at 90 degrees to each otherCompensator lock for fine adjustmentplumb down beam to the floorRobust over molded housing that is water and dust proof to ensure years of dependable operationsolid magnetic dampening adjustable 360 degree circle readingTangent screw for fine adjustmentUse with floor trivet or mount to 5/8 in - 11 threadVisible alarm when out of level