Crafted in a state-of-the-art molding facility using high-purity virgin polypropylene, these racks offer premium quality. Designed with versatility in mind, they hold 1.5/2.0ml micro centrifuge tubes on one side and provide smaller positions for 0.5ml tubes on the other side. The 80-place rack features a 16 x 5 array for 0.5, 1.5, & 2.0 ml micro centrifuge tubes, while the 96-place rack boasts a 12 x 8 array for 0.5, 1.5 ml & 2.0 ml micro centrifuge tubes. Molding indexing is incorporated for easy reference of tubes and vials, enhancing efficiency in the laboratory.