Size: 9 inches 265x45mm/10.43in*1.77in(LxW) This kayak track mount is made of 6061 aluminum alloy,matched with 316 stainless steel screws, After CNC machining, and III hard anodizing to ensure its wear resistance and corrosion resistance, balance strength and weight Kayak low profile track adopting T-shaped groove design, compatible with standard nuts/bolts, with strong expandability.Compatible with RAM Mounts & xsaaczm any B size double socket arm These kayak tracks are suitable for most kayak track installation equipment, such as fish finder,cup holders. It is also suitable for fixed car navigation systems, dash cam, and mobile phone mounts. with a wide range of applications Easy to install: Kayak track is equipped with 10 screws,allowing you to install the kayak track in just a few minutes Aluminum alloy kayak rail track is very suitable for use in scenarios such as car center consoles and kayaks due to their lightweight,high strength,corrosion resistance,and ease of processing.Applicable scenarios for automotive equipment: such as navigation systems,sports cameras,car radios,etc.Realize quick disassembly design through tracks and flexibly adapt to different accessories