Reliable components provide a Volvo outboard with excellent corrosion protection For use with DPH/DPR dual prop engines Designed for use in fresh water Cadmium-free and environmentally-friendly components Components conform to Mil-Spec A-21412(SH) Kit includes 1 anode collar between prop and gear housing, 1 block anode for gimbal housing, and 18 of the 8/304 Stainless Steel screws Manufacturer part number 50-95371