YDuupxe Total Station Surveying Prism, High Precise Land Surveying Mini Prism with 17.5mm Constant and 4 Poles, for Tunneling s Construction Mining Highway Inspection
SIXRUN Mini Surveying Prism, High Accuracy Reflector Target with ABS Material for Total Station Construction Surveying Tunnels Mines (White)
ANKROYU 360 Degree Total Station Prism K9 Glass Aluminum Surveying Prism High Precision Engineering Measurement Tool for Tunnel Railway Mining Construction 25.4mm Diameter
WGFOIP Total Station Surveying Prism High Accuracy K9 Optical Glass Mini Prism System for Tunnel, Highway Inspection - ABS Housing
SENECESLI Total Station Surveying Prism High Precise 25.4mm Mini Prism for with 4 Poles, Heavy Duty Housing for Railway and Tunneling Works
Sxhlseller Total Station Surveying Prism High Accuracy K9 Optical Glass System for Tunnel, ABS Housing, Compact, for Railroads, Steep Slopes