4 spinning pens, ingeniously designed for comfortable grip and easy operation, with sufficient quantity for convenient use and replacement Durable quality: the rotating pen is made of anti-skid, wear-resistant, and pressure-resistant materials, providing durability and a secure grip; metal tips on both ends are designed to achieve balanced performance for smooth spinning Ingenious design: both ends of the rotating pen are weighted to achieve the golden balance point, enhancing flexibility and control; features a drop-resistant cap to increase durability Function: the rotary pen helps exercise finger dexterity and relieve stress from work and daily life; color gradient design adds visual appeal and brings a positive mood Color: black Material: plastic + metal Size: Length: approximately 23cm Package Contents: 4 x Spinning Pens Note: The package includes only the items listed above. Other products are not included. Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement allows an error of +/- 1-3cm.