Product Description :
50pcs L type mini prism
Material: Silver plated
90 degree L type prism
Constant Replacement for instruments:0mm
Prism constant with other instruments:34.4mm
Fits Replacement for total station and replace GMP104
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 total stations.