Check for hygroscopic salts contamination - nitrates and chlorides.
The precise marks on the head allow easy alignment through an instrument's optical plumbing device. Three sizes available.
These targets work with most EDMs and are ideal for monitoring work where you have to leave targets in position over long periods.
Lightweight aluminium levelling staff featuring English 'E' reading cm graduations.
Fibreglass measuring tape featuring a geared mechanism (3:1 ratio) for fast rewinding. Six models available.
Made in the USA, the rock hard MAG NAIL has become the chosen nail among surveyors worldwide. Six sizes available.