20/40 Slide Rack, Glass

Holds 20 single slides or 40 back to back of regular 3" x 1" (75 x 25mm) size, 3" x 1-1/2" (75 x 38mm) and 3" x 2" (75 x 51mm) sizes.
Rack dimensions (L x W x H): 119 x 87 x 48mm (4.7" x 3.4" x 1.9")