ALUMINUMANODE 1″ SHAFT ZINC COLLAR – MARTYR ALUMINUM

• Premium aluminum Martyr anode protects inboard boat’s prop shaft from corrosion in salt or brackish water.
• Barrel collar for 1″ driveshaft
• Allen screw held in by washer with stainless nut cast in, copper contact for permanent ground.
• Streamlined inboard propeller shaft anode
• Designed to mount to 1 in. diameter prop shaft to protect from the corrosive effects of stray current
• Aluminum anode is for use in brackish and salt water applications
• Martyr anodes are made of a high purity specialized alloy based on the US Mil Spec
• Anode secures to prop shaft with 2 interlocking halves and allen head bolts with bolt retaining washers
• 1 in. inside diameter
• 2 1/8 in. outside diameter
• 2 1/8 in. length