Features: Experience unparalleled comfort during lengthy microscopy with our 2PCS Eyepiece Eyeshields, designs to fit 32-42mm stereo microscopes and eliminate eye strain. Crafted from soft rubber, these eyepiece guards boast a flat Angles designs that ensures full coverage and Protections against light interferences, enhancing your viewing clarities. Suitable for researcher, students, doctors, and engineers who engages in prolonged observations of details through stereo microscopes. These eyepiece covers are perfect for use in laboratories, hospitals, classrooms, and manufacturing setting where microscopic examination is essential, such as cell analysis, tissue sampling, or electronic component inspection. Enhances the precisions and comfort of your optical instrument with these and adjustable eyepiece protectors, ensuring clear and safeguarding your equipment. Specifications: Material: ABS Type: KPH3/KPH4(optional) Package Includes: Pair Eyepiece Guards note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.