Lightweight Cast Gunmetal Stemhead Fitting - 4-1/4" Long

Suitable for dinghies up to about 12 feet in length.

Gunmetal, also known as red brass in the United States, is a type of bronze - an alloy of copper, tin and zinc. Proportions vary by source,but 88% copper, 8-10% tin and 2-4% zinc is an approximation.