Racks for Microcentrifuge Tubes, 20 Place, Interlocking, PP

Sturdy autoclavable racks are compatible with both 1.5 ml and 2.0 ml Micro Centrifuge Tubes. Racks lock together on each side so that several can be attached for larger experiments. Each hole has molded in numbers for sample identification. Ergonomic design provides easy insertion and removal and of tubes. Include rubber supports on the bottom for stability.