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I bought these seat springs for some 66 buckets I was going to repair. Short story, I didn't use them. They are real similar to the factory original springs. I took the inner tape measurement + the outer tape measurement divided by 2, multiplied by 11 rows and came up with 25'. That's the math lesson for today. I honestly don't know how much is here, I suspect at least 20'. I do know that the ol' skool upholstery shop where I have been doing business for 20+ years has more if you need more.
$40 shipped
$40 shipped