Benchmark Scientific R4040-1520 6 x 1.5 ml Tube Holder for RotoBot, 10 to 13 mm Diameter, Dual Orientation, Pack of 2. This pack of 2 tube holders by Benchmark Scientific is designed to accommodate 6 tubes of 1.5/2.0ml capacity each. These versatile holders can be easily installed for both vertical and horizontal mixing applications, providing flexibility for various laboratory needs. Compatible with standard tube sizes, these holders ensure a secure fit for reliable mixing and processing of samples. Streamline your workflow and increase efficiency with these durable and user-friendly tube holders. Perfect for laboratories conducting a range of experiments requiring tube handling and mixing, these holders are a must-have accessory for any modern lab setting. Purchase this pack of 2 tube holders to enhance the functionality of your lab equipment and optimize your sample processing tasks. Trust in Benchmark Scientific for high-quality laboratory accessories that meet your professional standards.