Features: Achieve unparalleled accuracy with our high accuracy PET transmission diffraction grating, crafted using advanced technology for fine grooves and clear stripes to secure accurate experimental results in visual applications. Featuring a large 60x60mm surfaces area for broader spectrum coverage, lightweight design at just 2.2g for easy portability, and strong PET component construction for excellent effect resistance and long term reliability in various settings. Ideal for educators, students, researcher, and artists seeking a dependable visual instrument for hands on learning, scientific exploration, and creative projects requiring precise light manipulation. Perfect for spectroscopy experiments, classroom demonstrations, laboratory research, and artistic installations where stable diffraction grating performances enhances light splitting effects and visual outcomes. enhances your visual toolkit with this versatile PET grating sheet, combining superior functionality and robustness to support diverse professional and educational endeavors effortlessly. Specifications: Component : PET Grating plate size: about 60x60mm/2.4x2.4inch Grating structure area: about 45x45mm/2x2inch Type: multiple for option Package Includes: 1xGrating Sheet note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.