Discover the precision of Erie Scientific Micro Cover Glasses! These square cover glasses, measuring 18x18 mm, are crafted from high-quality glass to ensure optimal clarity and durability. Designed for microscopy applications, they provide a perfect fit for your slides, enhancing your viewing experience. With a thickness of No. 1 oz, they are ideal for a variety of specimens, ensuring minimal distortion. Whether you're in a lab or conducting research, these cover glasses are a reliable choice for all your microscopic needs. Elevate your observations with Erie Scientific!