This is an optional Revolution Design Dial and Nut set, intended for use with the Sanwa M17 high-end radio as a quick and easy way to personalize the transmitter to the maximum. The dials and hoop retaining nut are machined from high-quality aluminum and of a serrated design for better gripping and improved haptics. The dial and nut set is available in multiple different colors while machined silver color edge details and laser-engraved logos make the parts stand out. The accessories are a direct fit on the M17 radio and can be combined with Revolution Designs redesigned Sanwa M17/MT-44 RDRP0500 aluminum Steering Wheel. This pack includes two nuts and a dial.