Spin Pen Rolling Finger Spin Pen Game Tips Pen Mod with Tutorial Penless Refill (2-Pack Black) Stress Relief Toy: The pen rotating model is suitable for children and adults; You can use this pen to train your hands, eyes and cerebellum, thereby improving your concentration, memory and learning ability; It can also help you relieve stress at work and life Sufficient for use: You will receive 2 pieces of pen swivel mods in one package, enough quantity and style to meet your daily use and replacement needs, you can share with your friends and parents Reliable Quality: Our gaming finger pens are mainly made of ABS material, which is sturdy and durable, not easy to fade or deform, and is lightweight and reusable, reliable material can be used for a long time Good stability: The rotating pen is 8.6 inches long and is designed with metal weighted beads on both sides to increase weight and balance, making the rotation more stable and providing you with a good use experience Good gift choice: You can give these gaming pens as gifts to your friends, relatives, colleagues, classmates on Thanksgiving, Christmas, New Year, birthdays and other occasions to express your love and care Note: The data are all manual measurements, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object receivedDelivery quantity: (according to the main picture)"