This full-size Unwire™ test tube rack securely holds a full load of twenty-four 30mm test tubes or centrifuge tubes in a 3 x 8 array. Molded in bright orange acetal plastic with Resmer manufacturing technology which makes the rack keep its bright color longer. Useful in a wide temperature range with good chemical resistance. Autoclavable. Color: bright orange. Material: acetal plastic. Dimensions (L x W x H): 283 x 108 x 83mm. Tube diameter: 30mm. Array: 3 x 8. Nalgene #: 5970-0130.