Product Name: Tribrach Adapter with Removable Center Al13-9 Model NO.: AL13-9 Center Plug: 5/8 X 11 Color: Black Transport Package: Standard Export Carton Specification: SGS Origin: Jiangsu, China HS Code: 90159000 Product Description Tribrach Adapter with removable center AL13-9Adapts GPS, prisms and target systems to most tribrachs-has removable center plug with 5/8 x 11 threads and locking screw.Removable center available as a replacement separately.Work with AJ13(B4).Business Introduction:We are a professional supplier of survey accessories.Survey accessories including retroreflector, Prism in Canister , Prism with Target , Mini Prisms , 360 Degree Prism , Tribrachs and Carriers , Prism Kits , Prism Poles , Reflector Pole , Tripods , Levelling Staffs and Surveying Instruments , which are widely used in the surveying, mapping and construction industries, such as Tunnel, Subway Project, Bridge Engineering, Construction, Routine measurements, Slope Monitoring, Ships measurement, Three-dimensional laser scanning, Close-range photogrammetry, Special measurement, Instrument calibration, etc.We carry out strict quality control according to ISO 9001 quality management system.Excellent products have been sold to many countries and areas, we have a long term cooperation relationship with America, Europe Union, Asia, Africa and Middle East countries.Our customers are included LEICA, TOPCON and so on.Product:Workshop Show: