About NFE TRANSMITTER Choice of Quality: Adopting a lunar surface design style, with a double sided asymmetric CNC hollow - out process. The size is suitable for fidgeting, and it offers various playing methods, making it a great choice as your first spinner. Ratchet Linkage: Equipped with the patented centrifugal ratchet playing method. The magnetic ratchet ring is combined with a high strength structure. Tungsten steel balls, POM balls, silicon nitride balls, and Buckyballs (magnetic fidget balls) can be replaced. In the basic mode, it rotates with a centrifugal direction change and produces a clear sound. In the advanced mode, a crispy and elastic feedback can be unlocked. Easter Egg Surprise: There is a 10% chance of getting a zirconium alloy rainbow version when purchasing the zirconium alloy version. It is a hardcore choice for stress relief fidgeting and collection.