Universal testtube racks made of white autoclavable polypropylene. Specially designed to ensure that all test tubes will be incubated at the same temperature. An alpha-numeric grid reference on top tier of the rack allows an easy sample location. Racks are easily assembled, and are stackable when unloaded. Each rack is supplied dismantled. Easy to assemble. Holds 60 tubes with max. 16 mm dia. Dimensions: 246.5 x 104 x 70 mm.