See suitable Allen key tool part no

Outer diameter: 21mm

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Has vials for horizontal or vertical measurements

leica gdf312 trefot med optiskt lod 3 See suitable Allen key toolLeica GDF312 Tripod with optical plummet The tripod has a robust construction and is suitable for long term use in all environments. This makes it ideal for GNSS, back surveying and control points. Torsional rigidity up to 3" Stability of the tripod is just as important a factor as that of the stand when it comes to measurement accuracy. Torsional rigidity, the most important criterion for a tripod, is constantly checked and tested during production.