DURABLE MATERIALS - All-metal construction, the metal fidget spinner is equipped with an R188 high-speed bearing in the center to ensure optimal spin and consistency, and increase centripetal force and spin time. So these metal ADHD anxiety toys can work for at least 3 minutes. Rounded sides and smooth surface - protects your fingers from scratches. No repairs, lubrication or maintenance: the ready-to-use toy relieves stress. They also provide little slowdown during tricks. EASY TO USE TOYS - To rotate shaped toys, simply hold them on either side of center with one finger and rotate them from side to side. other hand. With practice, spinners can be used with one hand. Stress Relief Toys - With a fidget spinner, you can quit bad habits like nail biting or smoking. Your boring time will pass quickly and you will be happy when you are alone. No need to fiddle with your fingernails, you can just grab a fidget spinner and play with it. Many people have successfully broken their bad habits