- Free shipping
- 100 days returns
- Low prices
- 5 million products
Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Children Students 25x25x80mm^_^
Specifications:
- Surface: 80/50
- Size: 144x84.5x51mm
- Origin: CN(Origin)
- Model Number: M162295
- Material: glass
- Brand Name: Junejour
- Free shipping
- 100 days returns
- Low prices
- 5 million products