About Sugar Packet CNC Curved - surface Technology: The whole piece of metal goes through a five - axis CNC curved - surface technique, creating an incredibly smooth and rounded hand - feel, with an exquisite and radiant look. Wind - chime Beads:With a hollow - out design inside, 3 to 12 beads can be inserted. This not only increases the centrifugal force during rotation but also produces a tinkling sound like that of a wind - chime. When the beads are removed, it can rotate silently. Large - diameter Opposite Locks: The moderate rotation radius combined with large - diameter opposite locks makes it very beginner - friendly. It's relatively easy to perform difficult moves like "finger - skipping". Collectible Special Materials: There is a wide range of materials, from entry - level stainless steel to collectible Damascus steel, suitable for players at different levels. (The quantity of special - material models is very limited.) NXEDC's Viewpoint We've always been looking for a fidget spinner with a suitable size for playing in various daily scenarios. This fidget spinner has a moderate rotation radius and large - diameter opposite locks, and its fully - curved and rounded shape ensures that you won't get tired even after long - term use. The wind - chime beads can be taken out, so it can also be used in quiet environments such as an office.