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The BGG22 is the same red/white banded aluminum range pole design as the BGG33, built from two roughly 1m sections for a 2m overall length with a poin..

The BGG33 is a sectional aluminum range pole in alternating red/white 50cm bands, made of three roughly 1m sections that join to a full 3m length with..

The G71011 is a 2m telescopic aluminum range rod with a steel pole point and tip, used as a sighting/marking pole in traversing and general survey lay..

The G71012 is a 3m telescopic aluminum range rod with a steel pole point and tip, used as a sighting/marking pole for longer-range traversing and layo..

A telescopic alidade — a sighting instrument with a small mounted telescope, level, and vertical circle used together with a plane table for graphical..