1120 Straight Sunken Chock, Bronze, 8" x 1"

A slim chock, ideal for modern classics boats.

Also referred to as Gunmetal (Polished Bronze), 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.