Please note: 1. You can use chain oil to keep smooth. 2. Color is for reference only, as a different display, the color and display the picture is slightly different.
You will hear a clear and crispy sound like "chink" when you spin it.
A good choice for killing time,great for fidgety hands,ADD & ADHD sufferers,liberate your hands. Help relieve stress,effective for focus and deep thought,suitable for regular hands. Creative design,pretty balance and stabilize,simple and light enough to carry in your pocket,keep your fingers busy anytime and anywhere. High speed full stainless steel R188 bearing which is slient and smooth ,delicate touch with aluminum alloy,perfect size and color matching as an awesome finger exercise kit.