They are used for mountain, forest, and land surveying work Copperweld survey markers are highly resistant to corrosion which make these preferred over other ferrous metal rods as this marker can withstand harsh conditions over a long period of time Survey markers are required by some county surveyors and municipalities for official legal records so why not get one that lasts? Sokkia professional tripods are produced using birch wood and fiberglass construction They feature a 5/8 x 11 universal screw for instrument mount and either a quick clamp or twist locking a mechanism to lock the legs They feature hardened steel points, and also includes with the tripod is a carrying case to make the transportation of your tripod easier and safer.
Solid brass with curved heads.
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