With the new Super 64, Hohner upgrades the iconic original with a sleek design and a range of innovative features. The VarioSpring System permits individual adjustment of slide spring tension, while the revolutionary construction of the new SilentSlide is exceptionally airtight and almost completely silent in operation. It sets new standards in durability and ease of maintenance. The reed plates are mounted with screws, without contact to the covers, reducing reed wear and making basic maintenance much simpler