Streamlined Aluminum Prop Nut Shaft Anode, 3.15" ID, 5.12" OD, 3.94"H
3.8 out of 5 Customer Rating
Model # 17303991 Mfg # CMX80AL
Model # 17303991 Mfg # CMX80AL
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Martyrâ„¢ Anodes are pressure die-cast and manufactured to strict quality standards through an ISO 9001 Quality Management System. In addition, each alloy is guaranteed to be manufactured to the latest U.S. Military Alloy Specification and is chemically tested regularly to ensure consistency. Martyrâ„¢ anodes provide low cost cathodic protection of ocean-going vessels, structures and equipment constructed of iron, steel, aluminum, magnesium and other metals.

  • Fit & longevity
  • Easy installation
  • Performs better, protects longer than zinc
  • Weight: 1.38 kg

Attachment Method Screw-On
Best Use Prop/Shaft
Compatibility 80mm Shaft
Dimensions 5 1/8" Width x 4" Length x 4" Depth (100mm x 130mm x 100mm)
Material Aluminum
Shape Ball
Type Replacement Anode Only