SBS-compliant tube rack for use on liquid handlers to accommodate a range of tube types. The standard diameter is 16.6mm for a variety of tubes such as 15ml centrifuge tubes (VWR, Axygen, BD, Corning, etc.), 12ml KIMAX Culture tubes, Oragene OG-500 tubes and Tyco Monoject Tubes. Custom sizes available from ca. 12 – 17 mm.