Material: The Safety Chain Connector Link is made of grade 80 drop forged, galvanized and powder-coated. This ensures resistance to rust and durability against severe weather and road conditions. With a working capacity of 12,000 pounds and a breaking capacity of 47,000 pounds, it meets the towing requirements of most RV hitches and other applications Features: The connector link features a plug-in connection, allowing easy installation and disassembly. Unlike traditional hammerlock styles that require multiple tools for installation, this connector offers greater flexibility and convenience Protection: Includes additional insulators to reduce collisions between the vehicle and the connector during vehicle movement, preventing bumper scratches and collisions, and minimizing noise generated by the safety chain connector Usage: Suitable for trailer chain attachment, chain extension, off-road, or industrial use. The Hammerlock Coupling Link set includes 4 C-shaped bodies, 4 Insolators, 2 Drive pins, 2 Connectors, and 2 R-shaped pins Service: We are dedicated to providing the highest quality products and comprehensive service. Please feel free to contact us with any questions, and we offer 12 months of support Material: The Safety Chain Connector Link is made of grade 80 drop forged, galvanized and powder-coated. This ensures resistance to rust and durability against severe weather and road conditions. With a working capacity of 12,000 pounds and a breaking capacity of 47,000 pounds, it meets the towing requirements of most RV hitches and other applications. Features: The connector link features a plug-in connection, allowing easy installation and disassembly. Unlike traditional hammerlock styles that require multiple tools for installation, this connector offers greater flexibility and convenience. Protection: Includes additional insulators to reduce collisions between the vehicle and the connector during vehicle movement, preventing bumper scratches and collisions, and minimizing noise generated by the safety chain connector. Usage: Suitable for trailer chain attachment, chain extension, off-road, or industrial use. The Hammerlock Coupling Link set includes 4 C-shaped bodies, 4 Insolators, 2 Drive pins, 2 Connectors, and 2 R-shaped pins. Service: We are dedicated to providing the highest quality products and comprehensive service. Please feel free to contact us with any questions, and we offer 12 months of support.