Shakespeare 4700-1 12" Stainless Steel Extension [4700-1] Brand_Humminbird wood and fiberglass

wood and fiberglass

Graph data on a daily

Nylon adapters included for 7/8"

a hydraulic power unit

Suggested mount: Shakespeare Style 4187 or Style 5187 Ratchet Mount (each sold separately)

Shakespeare 4700-1 12" Stainless Steel Extension [4700-1] Brand_Humminbird wood and fiberglassShakespeare Style 4700 1 Extension Mast Shakespeare extension masts can be used to extend the reach of smaller marine antennas by increasing their height above the water, or by helping them clear obstructions that would otherwise interfere with proper radiation. Shorter masts are useful for mounting marine TV antennas, GPS receivers, marine satellite TV dishes and the like. 1' long Stainless steel construction Standard 1" 14 threads, male upper,