Zinc alloy lifting support and base are solid, durable and more stable, adjustable height holder for hands-free operation. magnification adjustable from 0 to 1200X, compact portable size and easy to operate. Our microscope are made of high-quality materials to ensure durability and stability for long-term use. We have a wide range of microscopes, microscope cameras, microscope slides, microscope eyepiece lens, and other related products.