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60*60*60mm pyramid polygonal prism physical optics color refraction prism high pyramid crystal glass prism
Specifications:
- Angle Tolerance: /
- Brand Name: abay
- Certification: CE
- Dimension Tolerance: /
- Flatness: Triangle
- Material: K9 crystal
- Model Number: nbrtnty
- Origin: CN(Origin)
- Shape: triangle
- Size: 60*60*60mm
- Surface: 80/50
- Free shipping
- 100 days returns
- Low prices
- 5 million products