• Link multiple racks together for a custom rack solution • Autoclavable polypropylene (PP) • Heavy-duty construction is durable and chemical resistant • Multiple colors available for benchtop organization at a glance • Numeric markings for sample identification • Versatile design accommodates different tube sizes on each side • The four sides hold the following tubes: Four ‚Äì 50mL tubes, Twelve ‚Äì 15 mL tubes, Thirty two ‚Äì 1.5mL tubes, Thirty two ‚Äì 0.5mL tubes. Dimensions (L x W x H): 170 x 96 x 60mm (6.7" x 3.8" x 2.4")