ALUMINUM ANODE 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