I have them all around my pool. Stick with the OE. They are designed to withstand a LOT of tension, including the weight of snow and ice. You also don't want them to snap loose while installing the cover - someone could get seriously hurt.

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma