Reliable, rugged design! All lasers consist of an external housing and the all critical internal system. The GradeLight 2500's internal works use the highest quality aluminum, brass and stainless steel that are precisely machined. Circuit boards utilize top-of-the-line electronic components. The GradeLight 2500 is designed to last! Jobsite tough! -Automatic grade run -Automatic line centering -Automatic zero grade set -Precise grade setting -Superior beam -Large, easy to read grade display -"Speedlevel" Electronic Self-leveling -Illuminated Azimuth pivot point |