The RAM-202-B-400U Tough-Claw Mount features a small Tough-Claw base, short double socket arm, and round base adapter with AMPS hole pattern, designed for quick tool-less installation on round, square, or irregular rails from 0.625″ to 1.14″, with a 1.5″ rubber ball and socket system offering near-infinite adjustability for secure and versatile device mounting in marine, automotive, or industrial applications.