Cover slips are widely available in several standard thicknesses and are identified by numbers. All sizes and ITO resistances are available.

 

bulletNo. 0 0.085 to 0.13 mm thick
bulletNo. 1 0.13 to 0.16 mm thick
bulletNo. 1.5 0.16 to 0.19 mm thick
bulletNo. 2 0.19 to 0.23 mm thick
bulletNo. 3 0.25 to 0.35 mm thick
bulletNo. 4 0.43 to 0.64 mm thick