Marine

Chrome Plated Brass Ratchet/Antenna Mount

Length - 3-11/16"

Width - 2-9/16"

Thread -1" x 14

Fastener - 1/4"(4)

Top quality antenna base has Loran cable hole

Center to center hole across(length): 2-7/8"

Center to center hole same side(width):1-5/16"