Sold individually. It takes 4 on each side of the trailer, so 8 total. Direct fit on our pivot pins.6" spiral torsion springs, also called clock spring, is made of steel. 1/2" wide steel band measures 3 3/4" wide when fully coiled.
Used on these trailers: Belly Dump.
Replaces part# Tarping USA K-STS, American Tarping 11121