It offers an excellent sense of weight, fast rotation speed, low noise, and is easy carry Design Concept: This fidget spinners for adults is designed to help manage feelings of anxiety, stress, and restlessness. Metal Materials: The all-metal silent fidget spinners features a stainless steel bearing and an aluminum body. It can also aid in improving focus and assist in curbing habits like nails, nail-biting, or smoking by keeping your hands occupied Extended Spin Time: A cool desktop toy that spins at high speed for 2-5 minutes.