The Corning COSTAR 3959 96-Well Assay Blocks Round are high-quality glassware and plasticware designed for medical, lab, and dental applications. These assay blocks come in a convenient 96-well format with 100 plates per container, making them ideal for conducting various experiments and tests in research settings. With the trusted brand of Corning, users can rely on the durability and precision of these assay blocks for their scientific studies.