Leica GRT146 Carrier 5/8 Thread GNSS Antenna Tribrach Adapter 667216 Excellent – T2 TechGear. Excellent condition – minimal signs of use, threads clean and undamaged, ready to drop into a tribrach and put straight to work. Up for sale is a Leica GRT146 Carrier (Leica P/N 667216) in excellent condition. The GRT146 is a simple carrier designed to drop into any tribrach with optical plummet – such as the Leica GDF111, GDF112, GDF121, GDF122, or equivalent – and provides a 5/8-11 screw thread on top for direct fitting of GNSS antennas, prisms, or target plates. This is the standard Leica accessory for building a GNSS base station or control-point setup using a Leica tribrach underneath. Centering accuracy: 1.0 mm. Original Leica part – not an aftermarket replica. Common uses: GNSS antenna mounting for RTK base setups, prism/target mounting for total station work, backsight and control-point occupations when paired with a Leica tribrach. Leica GRT146 Carrier with 5/8-11 Thread (P/N 667216). Carrier only – tribrach, GNSS antenna, and prism are not included. Please review listing photos for a complete visual inventory. Carrier / Adapter for Tribrach. 5/8-11 UNC male. Leica GDF111, GDF112, GDF121, GDF122, and other tribrachs with optical plummet. Direct fitting of GNSS antennas, prisms, and target plates. No – carrier only (plummet is provided by the tribrach). Used – Excellent condition, original Leica. Genuine Leica part – not an aftermarket replica. Surveying equipment specialists – message us anytime. Professional Surveying & GNSS Equipment – Tested, Trusted, Delivered Thank you for shopping with us! Send us a message – we’re happy to help.