Check the listing for details. Replacement Trim Knob Button Switch Covers for FlySky Noble NB4 Driving Upgrade. Condition: New. Listed at 5.95 USD. This is a pair of 3D Printed replacement switch knobs for the two multi-function trim buttons by the steering wheel of the Noble NB4. They push right in place like the originals - quick and easy! Made from a high grade plastic composite One-piece design Created with Eselt - Mobile Optimized Listing Designs for eBay Sellers Payment Shipping All orders ship the same or next business day Monday-Friday Returns Free 30 Day Hassle-Free returns, we want you to be 100% satisfied! Created with Eselt - Mobile Optimized Listing Designs for eBay Sellers Links Our Store Seller Profile Feedback Save this seller Contact Newsletter Don't miss any offers! We will inform you about our offers and promotions by email. Subscribe to newsletter Contact Give us a call Send us a message