Globe Scientific TUFFBLOK XLInterlocking Tube Racks for 12mm to 50mm Tube Sizes

Autoclavable polypropylene (PP) Heavy-duty construction is durable and chemical resistant Multiple colors are available for benchtop organization at a glance Versatile design accommodates different tube sizes on each side The four sides hold the following tubes: ?Eight (8) - 50mL or 30mm diameter tubes Twenty (20) - 20mm diameter Tubes Twenty Four (24) - 15mL or 17mm diameter tubes Forty (40) - 12mm diameter tubes Dimensions (L x W x H): 200 x 100 x 96mm (8 x 4 x 3.8") *Note: Assorted Pack Colors: Blue, Green, Orange, Pink & Yellow