The patent pending system makes adjusting the length of trailer chains simple. Link Lock™ makes trailer towing safer and easier.

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• Easily adjust the length of chain without needing to cut it. 

• No more twisting chains to shorten them, violating SAE standards, and causing chain weakness.

• Complies with SAE towing standards, state laws, and federal highway regulations.

• Provide a safer secondary connection just in case the primary coupling fails

• Also provides better control in case of trailer decoupling.