The Topcon RL-H5A Laser Level is the self levelling, accurate, reliable, multi-purpose construction laser produced by Topcon Laser. Designed to power through the most challenging conditions, the RL-H5A  is a construction laser level that won’t let you down. Ideal for a broad scope of applications such as grading, drainage, site set-up, excavation, concreting, earthworks and general construction, the Topcon RL-H5A laser is incredibly versatile.