Quick Connect/Push Fit Air Hose Fittings Kit,can help you quickly repair air lines.Widely used in the field of industrial automation production equipment. 【Quality Materials】The air hose fittings is made of nickel plated brass and high quality polybutylene terephtalate (PBT).Acid-resistance, corrosion resistance, high tensile strength, aging resistance,fire prevention. 【Design】The release ring adopts circular design, which is convenient for installing and disassembling the hose. After you install it, the bottle cap can also rotate 360 degrees. There is a locking clip spring inside, after the bottle cap is released, the pneumatic tube can be firmly stuck, and it can resist high pressure, not easy to release the buckle. 【Wide Application】Suitable for laboratory automation equipment,Car air suspension system,Pneumatic tools,workshop equipment,dental equipment,decoration spray paint,etc.Applicable tube:PU / PA / PE / PVC 【Package Include 】12PCS 90° elbows connectors with NPT thread,8PCS straight union connectors,6PCS tee,6PCS 90° elbows connectors,6PCS splitters connectors,and 1PCS tubing cutter.There are four sizes(1/2", 3/8", 1/4", 1/8") and four types of air hose fittings to meet your various needs.The are placed in a transparent portable box, each size of air hose fittings are sorted separately which is easy to transport and distinguish. 【Multi-purpose and portable box】The air hose fittings are packed in a multi-purpose and portable tool box with a movable divider for easy distinction. After use, other products can be stored and reused. Quick connect/push fit air hose fittings kit,can help you quickly repair air lines.Widely used in the field of industrial automation production equipment.The air hose fittings are packed in a multi-purpose and portable tool box with a movable divider for easy distinction. After use, other products can be stored and reused.