All metal parts on your boat, like deck fittings are subject to corrosion and oxidation.
Seapower Metal Polish can be used on magnesium, copper, bronze, brass, chrome and stainless steel to remove oxidation and gives a shiny end result.
It makes yellowed Plexiglas and Lexan clear again and repairs minor scratches. 
This paste is easy to apply and remove oxidation and salt water corrosion.
Available in 227gram.
Makes yellowed Plexiglas clear again.
Not for use on anodized aluminum poles and window frames.