Product Description: Seachoice 95609 Rudder & Trim Tab Anode w/Allen Screw, Aluminum, Model R4, Size 5" dia. x 5/8" Aluminum suitable for salt and brackish water.
- High-quality, cadmium-free anodes
- Higher protection than zinc
- 2.5 Times lighter than zinc
- Corrodes less than zinc
- Ideal for aluminum hulls
- Installation hardware included