Check the listing for details. Blank Glass Microscope Slides and Covers - Ground Edges & 45° Clipped Corners, H. Color: Clear, Condition: New. Listed at 7.98 USD. Pre-Cleaned Optical Glass • Ground Edges • Laboratory & Educational Microscope Accessories • Biology & Scientific Research. Microscope Slides 50 Pieces. 🧪 Why Choose This Microscope Slide Set?. The ground edges and 45° clipped corners provide safer handling while minimizing the risk of accidental cuts, making this set suitable for students, educators, researchers, and laboratory professionals.