Fit Right holding tools snap onto the existing studs and provide a quick and easy way to hold material while fitting boat covers. No clamps are necessary. The Fit Right caps fit over the material and hold it in place especially on windy days. Manart fit right tools accurately mark the fabric cover as to where the snaps are to be placed. They can be used to fit cockpit covers, side curtains, enclosures, console covers, carpet and pickup truck tonneau covers. Fit Right tools can be used over and over again. Complete kit comes with 50 quick-fit tools, 25 caps and a quick release tool for easy removal.