Hand spinner metal fidget ADHD focus toy ultra durable metal made high speed up to 5 minutes help to relieve stress. 1. **4 minute average spins, gold fidget spinner 2. High speed stainless steel bearing .These are removable 3. Great toy for fidgets. Flick and spin for hours with just one or both hands 4. Great for anxiety, focusing, ADHD, autism, quitting bad habits, staying awake. Features: color: silver, diameter:2.7 inches(7cm), thickness: 0.3 inches(0.8 cm), note: 1. Please allows 0.**0.2 inches error as manual measurement. 2. Bearing belongs to oil free type., If using a lubricant, it will make the bearings produce resistance. Please clean the bearing with alcohol regularly in case of dust which can affect the normal work of the bearing. Do not clean with water.