Martyr Anodes Clamp Shaft Anode Aluminum

Martyr Anodes aluminum clamp shaft anodes (also called clamp-on shaft zincs or sacrificial shaft anodes) protect your boat's propeller shaft from galvanic corrosion. The anode corrodes in place of the shaft and other submerged metal parts. Martyr is a long-established die-cast marine anode manufacturer.

Key Features:

• Clamp insert keeps the anode tight on the shaft for the life of the anode
• Stainless steel hardware and lock washers are included
• Bolt retaining washers keep the bolt from falling out, which makes underwater installation easier
• Slotted head screw with lock washer
• Aluminum alloy construction is suited to saltwater and brackish water

Why Aluminum? In saltwater, aluminum anodes last longer than zinc. In brackish water, aluminum works better than zinc, which can passivate and stop protecting. Aluminum is also lighter than zinc and contains no cadmium.

The clamp-on design fits onto the shaft without removing the propeller. It gives dependable cathodic protection for pleasurecraft shafts.