• Heavy-duty polypropylene rack• Each module measures 6.9 x 3.7 x 2.1 in (17.4 x 9.5 x 5.2 cm)• Each module will take: 4 x 50 mL tubes (Well Dia: 30 mm)• 12 x 15 mL tubes (Well Dia: 17.5 mm)• 32 x 0.5 mL tubes (Well Dia: 8.2 mm)• 32 x 1.5/2.0 mL tubes (Well Dia: 11.6 mm)• Autoclavable• 5/pkg