●The size as pictures. ●Material: Optical Glass ●This item can be used on Refraction optics experiment ●Good Durability: Selected high-quality materials, with good durability and stability for long time use. ●If you are not satisfied with the product, please feel free to contact us, we will provide you with quality after-sales service.
[Semicircle]
[Sets]
[Trapezoid]
[Rectangle]
Description
The size as pictures.
Material: Optical Glass
This item can be used on Refraction optics experiment