Here is another that I have used,but for only scuff marks,but not deep scratches. Buy a tube of Turtle wax, Scratch& Swirl,use a small amount,and buff the surface of the Strikes,will makeit look original,& removes all of the swirl marks,if not gouged. Will bring back origionality of case. Have done many in the past,and the bottle lasts forever. Not expensive to buy.
John