Test tube racks Plexiglas (PMMA), 12 x 40mm

Standard White 2" Cardboard Box Assembled with Dividers, 81 Cell - 5 1/4" × 5 1/4" × 2"

Cell Divider Only, Standard Box, 49 Cell - 4 6/7" × 4 6/7" × 1 5/16" - 0.66" (16.7mm) Cell Opening

Standard Yellow 2" Cardboard Box Assembled with Dividers, 81 Cell - 5 1/4" × 5 1/4" × 2"