Shakespeare 4364 1' Extension Mast - 4364-B Fishfinders - GPS - Chartplotters - Multifunction Displays as the excess loop space

as the excess loop space can allow the lock to bounce around and slap against your boat's fiberglass deck while running at high speeds

metal and painted surfaces

CHIRP Pulse Compression detects contacts as close as 18-feet for zero-visibility navigation

Double Action Hand Pump

Easy disassembly

Shakespeare 4364 1' Extension Mast - 4364-B Fishfinders - GPS - Chartplotters - Multifunction Displays as the excess loop spaceShakespeare Style 4364 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 White molded polycarbonate Standard 1" 14 Threads, male upper, femal