NAT81 Heavy Duty Aluminum Survey Tripod RL-H5A Accessory this mason twine doesn't come

this mason twine doesn't come apart when re-used

and square reference points

SR30M: Keson 30-Meter Surveyor's Rope

The axis can be locked at any particular angle to easily transfer readings with the help of a knob

Equipped with tough

NAT81 Heavy Duty Aluminum Survey Tripod RL-H5A Accessory this mason twine doesn't comeThe Northwest Instrument NAT81 Heavy Duty Aluminum Tripod is a high quality device that provides a stable base for optical and laser equipment. For versatility on the job site, this tripod's height is adjustable from 38 to 62 inches. Surveyors can easily adjust the tripod's telescopic legs to the optimal height required. Once the appropriate level is selected, simply lock the legs in place with the quick clamp locks. The NWI heavy duty aluminum tripod