Coverslips, strength 0.4 mm, 24 x 24 mm, 100 unit(s)Coverslips, strength 0. 4 mm, 24 x 24 mm Material: borosilicate glass. For use with counting chambers and haemacytometers. Edges ground and polished. Ready for use, individually packed. Purpose: coverslips for counting chambers and haemocytometers are accessories for in vitro diagnostic examinations in optical microscopy and are used to cover cell suspension in counting chambers and to limit the volume of the cell suspension above the counting grid.