The Shakespeare 4187-HD "Ratchet Mount" is an extra strong and versatile four-way adjustable mount for deck or side mounting.
"Quick-action" handle makes operation easy so that an antenna can be quickly put down.
Specifications:
Mounting holes: 5/16" dia., 3" x 1½" center
Special cable routing eliminates the need to remove plugs
Standard 1" x 14 external thread
Stainless steel
Construction: Stainless steel
Type: Ratchet / Ratchet