Mini Pure Copper One Gear Fingertip Spy Gyro Decompress Toy(Black)

1. Gear: Made of pure brass, imported from Germany with high-precision lathes
2. Exquisite grinding, no burrs, no hand, smooth rotation
3. Main body: aviation aluminum material, sandblasting effect, anodizing treatment, frosted feel
4. Bearing: imported stainless steel R188 type bearing, good wear resistance, long idling time
5. 1 gear, 1 bearing, idling for 1 minute, super mechanical sense
6. Material: metal
7. Function: decompression
8. Size: 22.5x15mm
9. Gross weight: 15g