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5*5*5mm Colorimetric prism six-sided polishing light cube science experiment for children spectroscopy
Specifications:
- Certification: NONE
- Size: 5*5*5mm
- Surface: 60/40
- Shape: Cube
- Origin: CN(Origin)
- Model Number: Cube Prism
- Material: K9
- Flatness: Cube Prism
- Dimension Tolerance: 0.01-0.1
- Angle Tolerance: 3'
- Free shipping
- 100 days returns
- Low prices
- 5 million products