VEVOR Grade 30 Chain 3/16 Inch by 100Ft Length Grade 30 Proof Coil Chain Zinc Plated Grade 30 Chain for Towing Logging Agriculture and Guard Rails Handles Heavy Loads Easily Built for Stability Rust-Resistant Galvanized Finish Easy Locking Versatile Use Outdoor-Ready Capacity: 9200 lbs/4173 kg,Material: Zinc Plated Metal,Chain Length: 1200.78''/30.5 m,Chain Diameter: 3/16''/4.8 mm