Ausla 360 Degree Mini Prism K9 Optical Glass Total Station Prism +23.1mm Constant 25.4mm Reflector with ABS Housing for Tunnel Mine Highway Surveying
Ausla 360° Prism, K9 Glass Total Station Reflective Prism with +23.1mm Constant, 25.4mm Effective Diameter, 6 Reflector for Surveying Measurement in Tunnels Mines Railways
Ausla Mini Prism Surveying K9 Optical Glass Total Station Prism Constant -30mm 25.4mm with Bubble and Reflective Centering Marks for Tunnel Mine Highway Measurement
Ausla Total Station Surveying Prism K9 Optical Glass Mini Prism 25.4mm Effective Diameter with 4 Poles and 17.5mm Constant for Tunnel Railway Mine Highway Survey
Ausla Total Station Mini Prism K9 Optical Glass Total Station Prism 0mm Constant 1in Diameter with 4 Poles for South Surveying in Tunnels Mines Highways
Jeffergarden 360 Degree Mini Prism 360 Degree Prism, Outdoor Station Mini Reflector, Small and Portable, Durable and Clear , Suitable for Tunnel, Mine, Highway and Other Measuring