The Spectra Precision LT52 eliminates the need to purchase two tools by combining a five-beam laser pointer with a horizontal and vertical cross line laser into one product. The versatile, automatic self-leveling laser tool can be used in a variety of construction applications. For interior building and remodeling, the laser is used for horizontal and vertical alignment, wall layout, acoustic ceiling installation, point transfer up and down, wall and floor tiles, finish carpentry and 90° squaring. The addition of the Spectra Precision HR220 Handheld Receiver allows use for short-range exterior general leveling and alignment tasksg. Robustness is assured with a 3-ft. drop specification.