Universal racks made of autoclavable polypropylene. Withstands also freezing. Holds 4 x 50 ml conical tubes or 12 x 15 ml conical tubes or 32 x 12 mm tubes or 1,5/2,0 ml micotubes or 32 x 0,5 ml microtubes. Alphanumeric identification. Racks can be locked to each other Dimensions: 172 x 50 x 90 mm