| Country of Origin | China |
|---|---|
| Brand | Unbranded |
Check the listing for details. 5pc Interference Diffraction Grating Single & Double Slit Interference Diaphragm. Condition: New with tags, Made in China. Listed at 26.03 USD. 1pc Lattice. 1pc Single Slit. 1pc Double Slit. Do not look directly into the laser light outlet. Laser product risk warning Any laser is potentially harmful to the human body and eyes. If you have any problems or concerns whatever with your order or products.