Benchmark Scientific R4040-150 1 x 15 ml Tube Holder for RotoBot, 16 to 17 mm Diameter, Vertical Orientation, Pack of 2. The Benchmark Scientific 1 x 15ml tube holder comes in a pack of 2, providing a convenient solution for holding 15ml tubes during various laboratory procedures. The holders are designed to securely accommodate the tubes, ensuring stability during tasks such as mixing, centrifugation, or simply storing samples. Crafted with quality material, these tube holders offer durability and reliability in a laboratory setting. They are easy to handle and allow for efficient organization of tubes, promoting a tidy workspace. The pack of 2 provides value and versatility, allowing multiple tubes to be handled simultaneously. Ideal for laboratories of all sizes, the Benchmark Scientific 1 x 15ml tube holder pack of 2 is a practical accessory that streamlines tube handling processes, enhances workflow efficiency, and contributes to overall lab productivity.