The VWR Stopcocks K371-VWR are essential tools for any laboratory setting, designed for precision and reliability. This pack includes 10 high-quality stopcocks, made from durable materials to ensure long-lasting performance. Each stopcock features a smooth operation mechanism, allowing for easy flow control of liquids and gases. Their robust design minimizes leakage and ensures a secure fit with standard laboratory tubing. Ideal for various applications, these stopcocks are perfect for chemists, biologists, and researchers looking to enhance their workflow. Upgrade your lab equipment with this reliable pack of stopcocks today!