Triangular Prism K9 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Physical Prism

It's a great honor for you to visit my store. Good luck with your favorite purchasesHign-concerned Chemical : none Size : 25*25*25*80mm Flatness : Triangle Prism Angle Tolerance : +/-1 Dimension Tolerance : +/-1 Material : K9 Model Number : Optical Prisms Glass Shape : TRIANGLE Surface Quality : 60/40 Brand Name : TELEHILL Origin : Mainland China Certification : CE The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom'sd policies and EU Product Safety and Compliance laws.