- Note: These upgrade kits are designed for authentic Floyd Rose Original, 1000 Series, Special and By Floyd Rose tremolo systems only. They do not fit 1000 Series Pro, FRX, Non-Fine Tuner or other licensed systems available on the market. All our items come with a 30-day no-hassle return policy. Reason. Sheet music, reading material and software cannot be exchanged. The general terms and conditions of Zoundhouse GmbH & Co.KG apply. For the out-of-court settlement of consumer disputes, the European Union provides an online platform (ODR platform) at When purchasing multiple items from us:Add the items to your shopping cart and select Request total from buyer at the top right. If you intend to buy multiple items: Put them into your shopping cart and choose combined shipping(up right)on your