The Spectra Precision LT20 cross-line laser tool displays horizontal and vertical beams simultaneously or independently. The LT20 is very robust and can withstand a fall of about 91cm (3ft). It allows an automatic leveling with a vertical plane and a horizontal plane and with its wide angle of ventilation of the laser beam allows a maximum coverage. The laser tool is used for construction and interior renovation so it will be useful for horizontal and vertical alignment, wall layout, installation of acoustic ceilings installation and for finishing carpentry.