These micro cover glasses are made from the best quality glass. Each set of numbered slides is uniform in size and thickness. The No. 1 slides are 0.13 to 0.17 mm in thickness. The No. 1 1/2 slides are 0.16 to 0.19 mm in thickness. The No. 2 slides are 2.0 mm in thickness.

• Quality glass construction
• Uniform sizes
• Two-slide thickness options available

The No. 1 slides are 0.13 to 0.17 mm in thickness. The No. 1¹/₂ slides are 0.16 to 0.19 mm in thickness.