Suitable for leveling purpose, the offered Line Laser is used in various fields such as oil refinery, mining, gas wall digging and plumbing. For leveling operation, it produces strong and high-intensity laser beam that is reflected back after striking on solid surface. And, the displacement between sending and receiving time is used for calculating distance. It can be used for measuring horizontal & vertical distance. Moreover, the offered Line Laser has a longer life, perfect grip, light weight and easy holding.