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90*90*90mm Four-sided Crystal Cube Optical Glass Cube Artificial Crystal Prism Kids No Color No Rainbow
Specifications:
- Angle Tolerance: 3 arc min
- Dimension Tolerance: 0.1mm
- Flatness: other
- Material: K9
- Model Number: Cube prism
- Notice: If you need more ,Please contact me
- Origin: CN(Origin)
- Shape: Cube
- Size: 90*90*90MM
- Surface: 80/50
- Certification: NONE
- Free shipping
- 100 days returns
- Low prices
- 5 million products