Elevate your laboratory experience with the Kimble/Kontes KIMAX Centrifuge Tubes. Designed with a conical bottom for efficient sedimentation, these tubes are perfect for various applications. Each tube features a durable ST glass stopper, ensuring a secure seal to prevent leaks. The graduated markings allow for precise measurements, making them ideal for experiments requiring accuracy. This pack of 6 is perfect for labs of all sizes, whether you're conducting research or routine testing. Trust Kimble Chase for quality and reliability in your scientific endeavors!