Konohan 100 Pieces Air Hose Fittings Air Line Fittings Straight Push To Link 4 6 Reliable Material to Serve: tube fittings are made of quality PU and plastic, with high pressure resistance, hard to trip out, not easy to deform or break, suitable for long lasting use Easy to Use: you will get 100 pieces of air hose connectors, which are easy to install or remove, with the push in design to connect the tube easily, quick and safe, the enough quantity will suffice your spare parts needs Flexible and Straight: air line fittings are flexible and simple to rotate as needed, with ellipse ring design, no other tools needed, just give a little push, time saving and energy saving Wide Applications for You: air fittings are suitable for many usages, such as industries automatic production equipment, like machinery, automobile, electronics, packaging, and so on, bringing a fluent use experience Proper Size to Fit: the 100 pieces air hose connector fittings are in 5 diameters, 20 pieces for each diameter, and the diameters include 1/4 inch, 5/32 inch fittings, 5/16 inch, 3/8 inch and 1/2 inch fittings, to meet your various demands and assorted applications