Shaft Sharks
Shaft sharks are a very efficient line cutter. They are serrated circular blade that is mounted on your propeller shaft. It keeps your prop and shaft free of rope, kelp, and underwater debris. Often they will prevent damage to your cutlass bearing, prop and shaft. They also can eliminate the need for expensive tows and yard fees. S an K Dive Service is a distributor and in most they can be installed in the water. See Full Description
Galvanic Isolators
Galvanic isolators, isolation transformer, or zinc savers are always recommended for boats that are plugged into shore power. They can prevent unnecessary zinc expensive by isolating your boat from the dock. Often they will pay for themselves in several months. See Full Description