Cadmium free, environmentally friendly.
Aluminum: For salt and brackish water. Conform to: Mil-Spec A-24779(SH)
Magnesium: For freshwater only. Conform to: Mil-Spec A-21412(SH) Fits 4 Cylinder Material Magnesium

Price is per unit.Also available in a case of 10 Includes:

• Block anode for gimbal housing (1)


• Plates for side of lower unit (2)


• Skeg for ventilation plate (1)


• 18-8/304 Stainless steel screws

. Please call us if interested in case pricing.