❸ This laser lever could be used with Swivel Base. 【Self-Leveling & Manual Mode】 The cross line laser is self-leveling up to +/- 3° grade or can be set to manual mode to project diagonal lines. 【4 x 360° Laser Level】 Two 360° horizontal and two 360° vertical planes could cover the all around the room such as floor, wall, ceiling, stairs etc.
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