Megaware KeelGuard - 4 - Black [20204] Entertainment | Amplifiers The locking collar holds antenna

The locking collar holds antenna securely

an operating frequency of 150-250 kHz

IPX8 / JIS8 Submersible

Tilted Element™ Thru-Hull

Bronze Thru-hull Wide Beam Transducer w/Depth & Temp - 0° Tilt

Megaware KeelGuard - 4 - Black [20204] Entertainment | Amplifiers The locking collar holds antennaKeelGuard 4' Black The Original Do It Yourself Keel Protector Protect Your Investment Against Sand, Rocks & Ramps Wear and damage to your boats keel can break down its protective gelcoat finish, allowing water to reach and destroy the fiberglass laminates. Megaware KeelGuard, the powerful abrasion resistant protector, prolongs the life of your boat like nothing else. Megaware KeelGuard Engineering Every aspect of the patented Megaware KeelGuard has