Stainless steel fidget spinner with bike chain design, silent bearings for ultra-smooth spins, helps reduce stress & anxiety, strengthens hand muscles, and great for office, home, or travel. Size: 5x5x3cm, Weight: 86g. Features 1. Bike Chain Spinner Design: The fidget spinner designed from precisions metal material and has stainless steel bearings. The combination of high-quality materials and 2 silent steel bearings gives this spinner ultra-smooth spinnings experiences and longtime durable usage. 2. Material: Full Stainless Steel Construction, precisions machining parts make this fidgets toy not easy to damage, silent bearings are used in this hand spinner to bring you ultra-smooth spinnings experiences and long time durable usage. 3. Away Bad Mood: It can help to stop unwanted habits such as unfocused or smoking. Instead of anxiety you can simply spins the fidget spinner and play with it. 4. Benefits In Elderly: Bike chain gears fidgets not just for adult/children but for those elderly as well. Because spinner can fit for anybody, it can help strengthen the muscles in the hands and fingers to maintain the ability to use them. 5. Mini Fidget Toy: Small fidget spinner toy can be held in your hand. finger fidget toy is pocket-sized and highly portable. Fidget Toy are very suitable for office, home, station, travel. Making every moment more fun! It will bring you endless fun and let the anxiety go away. Specification Material: Stainless steel Color: Silver, Silver&gold, Silver&black, Multicolor Size: 5 x 5 x 3 cm Weight: 86 g Package Include: 1 x Chain Fidget Toy 2 x Allen Wrench 2 x Screw