3 PCS Beginners Non-slip Wear-resistant Portable Rotating Pen(Black + Black)

1. The rotary pen is made of non-slip, wear-resistant, pressure-resistant material, durable and easy to hold2. Rotating the pen can exercise the flexibility of the fingers and relieve some pressure. The two ends of the rotating pen are weighted to achieve the golden balance point and improve the flexibility of use3. Designed with a drop-proof cap for added durability4. The LED light is gradient color, and each rotary flash pen is equipped with 6 button batteries; when the battery is dead due to long-term use, you can prepare to replace the battery yourself5. TPR thermoplastic rubber tip, embossed with cross diamond pattern6. Anti-collision and shock absorption, anti-skid and wear-resistant, rebound protection7. Double-layer nickel-plated steel ball counterweight, increase the turning force and enhance the dynamic balance force8. Color balance rings at both ends, anodized sandblasting, reinforced pen tip9. ABS resin injection pen holder, high hardness, detachable, easy to store10. Use: exercise finger flexibility, slender fingers11. Material: ABS12. Size: 22x1.6x1.6cm13. Weight: about 24g