Brunson 6120 2-¼" Diameter Glass Measuring Wheels Features a 40-minute Vial and

Features a 40-minute Vial and Compass built on to the clamp

Legs are a fixed length of 12in each

A surveyor can set up a freestanding GPS antenna pole or prism pole 1-to-1

GHT66 or GHT78 to every telescopic pole

Only the single second must be read on the scale graduations

Brunson 6120 2-¼" Diameter Glass Measuring Wheels Features a 40-minute Vial andThe 6120 paired line glass target is an unmounted version of our 6110 target. The target pattern is centered within 0. 0005" with respect to the outside diameter of the glass. It may be used in many alignment configurations, but is sized to fit our standard spherical adapters, such as our 521 B and the 5100 (discontinued). The target conforms to A. I. A. specifications.