DescriptionThis is a set of optical lens, which are made of high-quality materials, durable and can be used for a long time. Digital control processing technology and precise size can ensure the accuracy of the optical experiment. Suitable for school, classroom, laboratory and other physics laboratories.Features-Color: Transparent. -Material: Acrylic. - Size: 6.00X3.00X3.00cm/2.36X1.18X1.18in- High-quality materials and fine workmanship make these lens durable and can be used for a long time. - Digital control processing technology and precise size can ensure the accuracy of the optical experiment. - Light weight and portable, the optical lens is easy to carry and storage.- Suitable for school, classroom, laboratory and other physics laboratories. - Share with your friends and family as they are practical optical lens.