Godfrey Premium Streamlined Zinc 3” – Marine Shaft Anode for Corrosion ProtectionGodfrey Premium Streamlined Zinc 3 is a marine shaft anode designed to protect propeller shafts and underwater metal components from galvanic corrosion. The streamlined zinc installs directly onto the shaft and provides reliable corrosion protection in saltwater environments. Zinc sacrificial anodes work by sacrificing themselves to protect more valuable metal parts such as the propeller, shaft, and surrounding hardware. A streamlined shape helps