Item no. 19563.xx Holds 100 (4 x 25) tubes of 0.5 ml, 1.5 ml and 2 ml. Made of polypropylene. Autoclavable. Specially designed to ensure that all test tubes will be incubated at the same temperature. Alphanumeric identification. Dimensions: 262 x 108 x 45 mm. Rack is supplied dismantled. Easy to assemble.