Ding All Standard Polyester Surfboard Ding Repair Kit Dinged your board? You don't have to send every little crack and crunch to the repair shop. The Ding All Standard Polyester Repair Kit gives you the basics you need to tackle minor dings on polyester surfboards yourself. It's compact enough to toss in your surf trip gear and comes with resin, fiberglass, sanding supplies and the tools you need to get to work. A little patience, a little sanding and your board lives to surf another day. Kit includes: Polyester resin Hardener Fiberglass cloth 2 grades of sandpaper Applicators and mixing cup Mylar cover sheet Easy-to-follow instructions Best for: Small dings and minor repairs on polyester-resin surfboards. Heads up: Not sure if your board is polyester or epoxy? Check before you start your repair so you know you're using the right resin for your board.