Adjustable needle locking mechanism with two positions:
Unlocked - releases the needle for azimuth readings. Locked
- momentary release of the needle for strike measurements by
pressing and holding the release mechanism, then lock the needle
for reading by releasing the mechanism.
Features
- Exclusive mount for all Brunton transits
- Best works with Brunton 3051 non-magnetic tripod
- Adjustable for azimuth and vertical angle measurements
- Manufactured using non-magnetic aluminum and brass
- Standard 1/4 - 20 thread for mounting
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