Package Includes - The kayak camera mount includes an 18.3" long aluminum arm, a 1.5" ball T-track base, a 1.5" ball adapter with 1/4"-20 threaded screw, an aluminum sports camera mount adapter, and an aluminum phone mount adapter (with secure strap) for solo live streaming. Three Mounting Configurations - (1) a standard 1/4"-20 threaded screw compatible with Canon, Nikon, and most DSLR/mirrorless cameras; (2) an action camera adapter compatible with GoPro, DJI Osmo, and other action cameras; and (3) a universal phone mount compatible with iPhone, Samsung Galaxy, and other smartphones measuring 2.3"–3.6" in width and up to 0.51" in thickness (with case) to facilitate hands-free live broadcasting. Superior Compatibility - The track ball with T-bolt attachment designed for track mounting systems including most integrated kayak tracks and other third party track systems. Perfectly fits 1.5 inches / C size arm systems. Compatible with RAM Mounts, Arkon, iBolt and others. Heavier-Duty - This product features a 1.5" ball, which is more stable than a 1" ball, providing steadier footage for professional shooting and live streaming. The 1.5" diameter tube offers stable support for DSLR cameras. Constructed of high-grade aluminum and high-performance composites, this mount offers a rock solid hold without adding more weight. Adjust As You Like - The mounting base features rubber friction washers and stainless steel T-bolts. Simply insert it into the track and turn the ball clockwise to tighten. Quickly change the position of the holder by twisting the ball counterclockwise. And the ball and socket technology allows for 360 degree adjustability, enabling perfect framing for your live streams and recordings. This professional kayak camera mount features an 18.3" aluminum arm with three mounting options: (1) 1/4"-20 screw compatible with Canon, Nikon and most DSLRs; (2) action camera adapter compatible with GoPro, DJI and similar action cameras; (3) phone holder compatible with iPhone, Samsung and other smartphones (2.3"-3.6" width). The heavy-duty 1.5" ball system provides enhanced stability versus standard 1" balls, with high-grade aluminum construction. The T-track base is compatible with most kayak tracks and 1.5" arm systems including those compatible with RAM, Arkon and iBolt. Features tool-free 360° adjustment with rubberized friction washers and stainless steel hardware for secure positioning in marine environments.