Spectra Precision LL300N-3 Laser Level, Self Leveling Kit with HL450 Receiver, Clamp, 4.7 Meter Grade Rod / Metric and Tripod , Black - Line Lasers - Amazon.com
Spectra Precision Laser Level w/ Tripod Rental
Spectra Precision LL300 - GeoconnectGeoconnect
Spectra Precision LL300 Self-Leveling Laser with Detector and Bracket