Duff MSA150 Magnesium Shaft Anode 38.1 mm (1 1/2 in) | 4Boats

The MSA150 magnesium shaft anode provides durable sacrificial protection for propeller shafts in marine environments, featuring a golf‑ball shape for improved coverage and reduced localised corrosion.

• Magnesium composition for active corrosion protection.
• Golf‑ball profile for even sacrificial coverage.
• Continued corrosion protection.
• Outer diameter: 70.6 mm (2.78 in).
• Shaft diameter: 38.1 mm (1 1/2 in).
• Designed to fit 1 1/2 in shafts; easy to fit and replace.

Inspect regularly and replace as necessary to ensure ongoing underwater protection.