4 hole AMPS Plate for 17mm ball with tighening ring

The LM-17-Female-AMPS adapter converts any mount or pedestal with a 17mm ball mounting pattern into a 4-Hole AMPS mount, making it compatible with devices or holders (sold separately) that feature the 4-Hole AMPS pattern, including remote head brackets for the Kenwood TM-D710, TM-V71A. The Yaesu FT-7800, FT-7900 FT-8800, FT-8900, FT-857 andvehicle-specific mounts (VSMs), cameras, GPS devices, audio/video receivers, or satellite radios including Sirius S50, Sirius XM Onyx Plus, XM Onyx EZ, Sirius XM Lynx, Stratus 7, Dock & Play, and Sirius Dock & Play (sold separately). This package includes only the 17mm Ball to 4-Hole AMPS Adapter with Tightening Ring. No holders or mounts are included in this package. Formerly an industry standard, the 4-Hole AMPS pattern consists of four holes located in a rectangular pattern spaced at 30.17mm by 38.05mm (measured as the center-to-center distance between holes).