This magnesium Seachoice Mercury Bravo III Anode Kit provides a Mercury Bravo III outboard with excellent corrosion protection and is designed for use in fresh water. This kit fits Bravo III engines of 2004-present. These cadmium-free and environmentally-friendly components conform to Mil-Spec A-21412(SH). Components included in the kit are 1 anode plate for the top of the ventilation plate, 1 skeg for the ventilation plate, 2 collar anodes for the trim rams, 1 prop nut anode, and 18 of the 8/304 Stainless Steel screws for sure installation. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable.