Thank you for your recent inquiry with The Home Depot. I believe it would be best to reach out to the manufacturer for assistance. The manufacturer is TechStar Plastics, their customer service department can be reached at 800-263-7943. Please contact us with any additional questions at 800-430-3376 or homedepot.com. Thank you for shopping Home Depot.
The 9" dock bumpers are not available in stores.