Attach the Brunton 3040 non-magnetic Ball & Socket mount to any pocket transit and tripod or monopod for extremely accurate azimuth and inclination reading.
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.
- Aluminum & brass construction
- Standard 1/4 - 20 thread
- Fits Brunton transits exclusively