Spectra Precision LL300N-1 Laser Level, Self Leveling Kit with HL450 Receiver, Clamp, 15' Grade Rod / 10ths and Tripod , Yellow - Rotary Lasers - Amazon.com
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