180 PCS Push to Connect Fittings Air Hose Fitting Assortment Kit PU1/4" 1/8" 3/8" 1/2" 5/16" OD 4/6/8/10/12mm Pneumatic Quick Connect/Quick Release Air Tube Fittings Kit

["Straight PU Complete Kit: Include PU1/4\" 1/8\" 3/8\" 1/2\" 5/16\" & OD 4/6/8/10/12mm. Can use on PU, PA, PE, PVC pneumatic hoses. Sufficient quantities and sizes to meet your needs.","Easy & Fast Installation: Tool-free installation and removal, easy to operate by hand. The push cap supports 360° rotation for flexible wiring. Equipped with a tube cutter for easy assembly.","The main body is made of high-quality plastic, lightweight, corrosion-resistant and insulating. NBR washer and O-ring provide double protection against air leakage. Stainless steel spring gasket holds the hose securely against falling off.","Widely Use: Perfect for small-diameter fixed pipelines and automated lines with numerous connections. Suitable for one-time installation and does not need to be disassembled for a long time. Ideal for explosion-proof, anti-static and electrical isolation applications. For air line/air hose/air tube/automotive equipment, automated production lines, and other pneumatic systems.","Easy to carry and use: With a professional storage box, connectors are sorted by size. The lid adopts a concave-convex design to avoid size confusion caused by shaking during transportation. Inner sub-boxes are removable for quick access and easy use."]