Survey Bipod for Prism Pole Survey 1 Compress lock or twist lock for your choice
2 5/8" or Sokkia or Leica adaptor for your choice
3 D1 series match 2m or 3m prism pole
4 D2 series match 2.15m prism pole, especially for Leica
5 D3 series match 2m or 3m prism pole
6 D4 series match 3m or 5m prism pole
7 D5 series match 2m or 3m or 5m prism pole
8 D6 series match 5m prism pole