Shakespeare 4353 Black On-Glass AM/FM Marine Antenna with Clear Adhesive Tape

Sleek, four-way ratchet mount with a nutless design. Has standard 1"-14 threads and a special cable slot that eliminates removal of most factory installed connectors. Easy on the eye, and super easy to use. 5º Teeth for finer adjustments than standard mounts.Standard 1"-14 thread (male) Slot for cable feed-through Bolt holes: 5/16" Dia., 3" x 1-1/2" on center