Size: 5/16" A (Dia): 0.32" B: (Inner L): 1.02" C: (Inner W) 0.47" WLL 3,900 lb BL 11,600 lb Weight 1.03 lb/ft. Exceptional Corrosion Resistance: Each chain undergoes a 144 µm thick hot dipped galvanization process as recommended by Practical Sailor, providing unmatched protection against rust and corrosion. Ideal for marine applications, this process ensures long-lasting durability and maintains the chain's integrity in saltwater environments NACM Compliant: Our ISO G43 high test chain complies with the National Association of Chain Manufacturers (NACM) standards, guaranteeing its quality and strength for reliable anchoring. Premium Build Quality: Made from high-grade materials, the chain exhibits excellent strength and durability. It is designed to resist stretching and deforming, ensuring that it maintains its form and function over long periods Size: 5/16" A (Dia): 0.32" B: (Inner L): 1.02" C: (Inner W) 0.47" WLL 3,900 lb BL 11,600 lb Weight 1.03 lb/ft.