Dutton Lainson Trailer Safety Chain Class 1 24" Play Smith Boomtown Polarized Sunglasses Color:BLK SEA Smith Boomtown Polarized Sunglasses it performs seamlessly leaving you to focus on the hunt at hand Heavy duty Class 1 welded link chains for trailers up to 2000 lbs Zinc plated finish to resist rust with heavy steel hook and safety clip that latches to keep chains attached to tow vehicle Features a chain size of 3 16 and mounts with 3 8 bolts This product meets SAE and V 5 standards Two 24 chains are included per package NOTE Do not mount chains to trailer tongue with the same bolts used to mount the coupler Cross safety chains under coupling allowing only enough slack for turns