Hicarer 4 Pack 1/4 Inch Compression Straight Brass Needle Valves Brass Lead-free Connected to Hoses and Copper Tubing for Instrumentation, Hydraulic, and Pneumatic Systems

["Versatile Multipurpose Set: enjoy the convenience of 4 pcs 1/4-inch compression-type brass needle valves in one set, ideal for various daily applications; Whether for personal use, replacements, or sharing with others, these valves offer flexibility and convenience","Product Dimensions: the threaded pipe fitting is 1/4 inch, 4.5cm/1.77 inches long, 3.5cm/1.37 inches wide, and 1.5cm/0.59 inches high; Its unibody construction ensures optimal robustness and durable quality","Superior Material Quality: composed of lead-free brass, these valves offer excellent corrosion resistance, thermal conductivity, and mechanical strength; This ensures longevity and adaptability for use with various media like water and oil, With an all-metal design, including a brass valve body and metal handle; They ensure a secure connection with 1/4-inch compression fittings, reducing the risk of leaks due to vibration or pressure changes","Easy Installation: the needle-type handle allows for easy operation and precise flow adjustments; With a simple rotation, users can achieve quick start/stop or fine-tuned flow control, all manually operated without complex tools, no welding or additional seals required, granting high compatibility and ease of use","Reliable for Various Applications: widely applicable in instrumentation, hydraulic, and pneumatic systems, not applicable to natural gas or liquefaction petroleum gas, these valves are a dependable choice for precise flow management; Ideal for industrial and civil pipelines, they meet a wide range of specifications, satisfying customer needs in diverse settings"]