Attwood LightArmor All-Around Light - 12" Black Pole - Black Horizontal Composite Base w/Adapter [5558-P12A7] Electrical | Wire Management They are usually used for

They are usually used for small antennas

which reduces engine vibration and improves fuel economy

epoxy sealed and humidity resistant

Can be installed horizontally or vertically

The GRF 10 uses a magnetic sensor to relay position information

Attwood LightArmor All-Around Light - 12" Black Pole - Black Horizontal Composite Base w/Adapter [5558-P12A7] Electrical | Wire Management They are usually used forLightArmor All Around Light 12" Black Pole Black Horizontal Composite Base w Adapter Features: LightArmor All Round navigation light engine 30% lighter than earlier Attwood all round lights Exclusive condensation management increases visibility Exclusive anti glare engine preserves night vision Shock, corrosion, and water proof electronics Durable, anodized aluminum pole Articulating head for use in all applications Strong locking collar secures light