Material: polyolefin | Main color: black & red | Shrink Ratio: 3:1, Round diameter: 3/4'', Length: 1.22M(4Ft) | Rated voltage: 600V | temperature range: -55C to +125C,Beginning shrinking temperature: 70C,Completely shrinking temperature: 125C

Material: polyolefin | Main color: black & red | Shrink Ratio: 3:1, Round diameter: 3/8'', Length: 1.22M(4Ft) | Rated voltage: 600V | Temperature range: -55C to +125C,Beginning shrinking temperature: 70C,Completely shrinking temperature: 125C

Material: polyolefin | Main color: Red,Black,White,Yellow,Blue&Green | Shrink Ratio: 3:1, Round diameter: 3/4'', Length: 0.4M(1.3Ft)/Each color | Rated voltage: 600V | temperature range: -55C to +125C,Beginning shrinking temperature: 70C,Completely shrinking temperature: 125C

CRYSTAL CLEAR: Made of Optical Glass, the Triangular Prism is crystal clear for you to use this equilateral prism to split a beam of light into spectral components | GREAT PHOTOGRAPHY TOOL: The Triangular Prism is not only clear and beautiful, but also provides rainbow color light effects for you to take unique photos | LIGHT SPECTRUM TEACHING: Show wonderful rainbow optical effects for your kids or students, so you can explain these great natural sciences to them | 2 IN 1 FOR MULTIPLE USES: We offer 2 Triangular Prisms for you to use them in various different occasions. You can also use them for decorations | WHAT YOU GET: 2 Pack 6-inch Crystal Optical Glass Triangular Prisms. If you have any questions, feel free to contact us to get support