- 10 pcs L type mini prism
- 90 degree L type prism
- Constant for instruments:0mm
- Prism constant with other instruments:34.4mm
- Fits for total station
L BAR
prisms, maybe mounted on the tunnels ,roads and bridges ,dams,
buildings and constructions or some other fix up places or objects for
surveying ,distortion, displacement It suits different kinds of totals
stations