Shimeyao 12 Pack Screw Compressor Clamp for 1/2" Tubing, Adjustable Flow Control Hose Clamp, Nickel-Plated Brass, 0–1/2" Height, 3/4" Width, Precision Thumb Screw, for Hydroponics, Fountain

["Precision Flow Control: achieve unparalleled accuracy in water distribution with our machined screw mechanism; Effortlessly adjust water flow for maximum efficiency in your system, ensuring drop counts","Ideal for 1/2\" Tubing: optimized for tubing up to 1/2 inch, our product is ideal for regulating discharge flow from pumps in hydroponics, fountains, irrigation, and various water features, enhancing system compatibility","Rounded Edge Protection: enjoy peace of mind with edges that are smoothly rounded to prevent damage to soft tubing, guaranteeing safety and longevity in use. This feature is ideal for preserving the integrity of your system","Durable Corrosion-resistant: crafted from brass with a nickel-plated finish, our product boasts exceptional durability and corrosion resistance, making it ideal for both wet and outdoor environments","Easy to Use – 10 Pack Value: The large knurled thumb screw offers a solid grip for hassle-free hand tightening—no tools needed. Plus, the 10-pack ensures you have enough pieces for multiple uses, maximizing your investment"]