Attwood LightArmor All-Around Light - 20" Aluminum Pole - Black Vertical Composite Base w/Adapter [5551-PA20-7] Marine Navigation & Instruments | GPS - Fishfinder Combos Hole size is 1-1/2" x

Hole size is 1-1/2" x 7/8"

This thru-hull transducer pair provides ultra-clear sonar pictures of objects

With familiar gestures it's a breeze to use

Rapid recovery sensor resets when silenced or reactivates alarm if dangerous levels of CO remain

Package of 1 Black 48"(122cm) long sections with a 1"(25mm) diameter that shrinks to 3/8"(9mm)

Attwood LightArmor All-Around Light - 20" Aluminum Pole - Black Vertical Composite Base w/Adapter [5551-PA20-7] Marine Navigation & Instruments | GPS - Fishfinder Combos Hole size is 1-1/2" xLightArmor All Around Light 20" Aluminum Pole Black Vertical 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