LEONTOOL 5 Pcs 1/4" x 1/4" OD Push to Connect Pneumatic Ball Valve PVC Air Flow Control Valve Quick Connect Tube Fittings Airs Line Hose Fittings for Air Compressor Pneumatic Tools

["Material: Made of high-quality plastic and nickel-plated copper, corrosion-resistant, lightweight, high-strength and pressure-resistant for long-term industrial use.","Quick installation: Quick insert design without tools. Push tube until click to lock; oval release ring for easy disassembly, fast installation and maintenance.","Well sealed: Built-in stainless steel clamp ring and O-ring structure ensure tight, no-leak connection, reduce air loss and protect system stability.","Universal 1/4\" Specification: Standard 1/4\" OD fitting, 5 black ball valves per pack, widely used in air compressors, pneumatic tools and workshop piping systems.","Wide Compatibility: Fits PU PA PE PVC air tubing, ideal for automation machinery, actuators, cylinders and pneumatic hydraulic components."]