Block holds twenty-five 0.5ml centrifuge tubes for Benchmark Digital Dry Bath (BSH1001, BSH1002, BSH1004). Block cavities are precision machined to match the conical shape of the tube size, providing unsurpassed temperature uniformity. Block size: 3 x 3.75 x 2 inches (7.6 x 9.5 x 5cm). Capacity: 25 centrifuge tubes. Tube size: 0.5ml. Material: high grade aluminum. Sold individually. Benchmark Scientific #: BSW05.