Bicycle Chain Stress Relief Toys Stress And Anxiety Relief Toys new and PERFECT TOY FOR FIDGETERS Ideal solution for Stress, Anxiety, ADHD,, Nail picking,, and Staying Focused These Eight Chain Links With Rolling Silicone Bands Are Perfect For Hours of Silent Fidgeting Chain Links Roll Perfectly Around Your Fingertip Helps Relieve Stress,Improves Mental Concentration Ergonomic design allows for ultimate comfort and long term usage. The chain has a total of 8 nodes, which increases the rotation space Material: stainless steel Center circumference: 10.4 cm Weight: 30g Specifications: Ideal solution for Stress, Anxiety, ADHD,, Nail picking These Eight Chain Links With Rolling Silicone Bands Are Perfect For Hours of Silent Fidgeting Chain Links Roll Perfectly Around Your Fingertip Helps Relieve Stress Improves Mental Concentration Ergonomic design allows for ultimate comfort and long term usage. Package Included: 1Pc * Decompression Toys Notes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.