The Shakespeare 4711 Nylon Flange Mount can be used to attach a marine antenna to your deck or bulkhead. The mount does not adjust for slanted surfaces, and does not allow lowering the antenna for fishing, passage under overhangs, or for boat towing or storage. This mount is ideal for small antennas, GPS and radar devices, and marine TV antennas atop radar arches and the like.

• Great for GPS, Marine TV, and shorter antennas
• All Nylon construction
• Low profile 1-1/2in high
• Standard 1in – 14 maile threads