SPECIFICATION: Material: Metal Color: various colors Package Included: 1*Sprockets Gyro Toys Creative ADVANTAGES: 1: DIY free disassembly, precision CNC cutting process + all stainless steel + full machine sense 2: It can help stop bad habits such as poor concentration or smoking. You can simply spin the fidget spinner and use it instead of anxiety. 3: The chain gyro toy is made of high-quality stainless steel, which is environmentally safe, detachable, and can exercise hands-on ability. Precision machined parts make this fidget toy less prone to damage. 4: This hand spinner uses 2 silent bearings to bring you super smooth spinning experience and long durable use. COMMENT: 1. Manual measurement tolerance is 2-5g. Please don't mind your substitutions. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. thank you very much 3. SKU color is the color of product packaging All Products From Us Have Undergone Strict Quality Checks. If There Is Any Quality Problem Or You Are Not Satisfied With The Product Contact Us. We Will Give You The Best Solution.