Heavy Body all metal parts & brass parts With 10X & 20X eye piece.Dissecting Microscope 2 is a powerful and versatile instrument designed to meet the needs of scientists, researchers, educators, and students. With enhanced optics, magnification capabilities, and ergonomic design, it offers precision and clarity for a wide range of applications.Dissecting Microscope, also known as a stereomicroscope or stereo microscope, is a binocular optical instrument that provides a magnified, three-dimensional view of specimens. The Dissecting Microscope 2 is an advanced version of this instrument, featuring improved optics and additional features for enhanced functionality.Dissecting Microscope 2 offers binocular viewing, allowing users to observe specimens with both eyes, reducing eye strain and providing a more immersive experience.