Charged Microscope Slides, 90° Ground EdgesCharged Microscope Slides, 90 Ground Edges Positive charged microscope slides Features: Color frosted: 1 end, 1 side 25 x 75 x 1mm Ground edges 90 corners Pre cleaned 72 slides per box, 20 boxes per Case Specifications: Mfr No. 1358W 72 Microscope Slides, Diamond White Glass, 25 x 75mm, Charged, 90 Ground Edges, White Frosted, 72 Box Mfr No. 1358W case Microscope Slides, Diamond White Glass, 25 x 75mm, Charged, 90 Ground Edges, White Frosted, 72 Box,