Quick, easy installation of antenna on 1" or 7/8" railing. Ideal for G.P.S., VHF radio, Loran couplers and whip antennas, has direct feed-thru hole for coax cable. Ratchet surface permits 360° rotation for adjustment/lay-down. Holds antennas up to 8' (2.4 meters) in length. No drilling required; all necessary hardware provided.

Strong, fiberglass- filled nylon rail mount for permanent antenna installation with hex-key vertical adjustment. Smooth spherical shape won't catch lines or clothing. Has lay-down handle that permits quick, easy lay-down of antenna.