Anchor On Chain: Size - 12.5mm to 152mm, Grade - Grade 2 to Grade 4, Material - High-tensile steel, Viscosity - N/A, Buoyancy - Negative (sinks in water).
Anchor Chains: Size - 13mm to 178mm, Grade - Grade 2 to Grade 4, Material - High-tensile steel or alloy steel, Viscosity - N/A, Buoyancy - Negative (sinks in water).