For Trailers Up to 7,000 lb
Zinc plated trailer safety chains are packed in pairs, with S-Hooks.
TIE #81205 is a single chain with "S" hooks, both ends
Tie #81204 is two chains with "S" hooks on one end
Class 2 is good up to a 3500 lb trailer
Class 4 is good up to a 7000 lb trailer