BetterPress Replacement Shims works in the BetterPress System. You'll get three thin plastic shims that allow you to increase or decrease pressure in your BetterPress. Change the way you create with BetterPress, an innovative way to achieve the elegant look of letterpress without all the mess. Its an easy-to-use system that produces professional stationery style with detailed impressions that can be felt to the touch. The BetterPress System works with your manual die-cutting machine to create beautiful, effortless, and detailed letterpress effects.