Compatibility These knobs are compatible with all Zoom keyboards released to date with a knob. Requires the knob module to work. The Knob Module must be purchased separately for most Zoom65 V3 kits. Please check the kit contents section of the keyboard product page. Note Due to the highly reflective nature of the polish finish, the Black PVD Mirror knob looks gray in the photos but it's quite black / reflective in person Acceptable Quality Standards: Please refer the QC guide for the acceptable quality standards. Disclaimer Since there are so many variations, many of the images provided on the product page are renders and are for display purposes only. The renders are given to provide an idea to what the final product will look like. The physical product may have some differences. Please also refer to the prototype's photos as reference before purchasing.