64PCS Air Hose Fitting Assortment Kit, Full NPT Thread Series, Nickel-Plated Brass & High-Strength PBT Plastic Push to Connect Pneumatic Fittings, Leak-Free for Air Compressor

["This 64PCS air hose fitting assortment kit features a full range of 1/8\" 1/4\" 3/8\" 1/2\" NPT threaded fittings, covering all common NPT sizes for pneumatic systems. It meets all your daily connection needs for air compressors, pneumatic tools, trailer air lines and small-scale workshop maintenance, with no need for additional fitting purchases.","Crafted from premium high-strength industrial PBT plastic, these fittings deliver exceptional corrosion resistance, aging resistance and flame retardancy. Far more durable than ordinary plastic fittings, they stand up to wear, oil and harsh workshop/ job site conditions for long-lasting performance.","Built-in stainless steel locking claws and high-quality silicone gaskets ensure a tight, firm lock and 100% leak-free seal—even after thousands of plug and disconnect cycles. The precision sealing structure prevents air leakage and pressure loss, keeping your pneumatic system running efficiently and stably.","Rated for working pressures from vacuum to 145 PSI and operating temperatures of 32℉ to 140℉, these plastic fittings deliver stable and consistent performance in harsh environments. Perfect for indoor/outdoor use, they meet the daily pneumatic connection demands of DIY projects, garage repairs and light industrial applications.","Featuring a user-friendly push-to-connect design, the fittings enable tool-free, one-second installation and disconnection. Simply insert the air hose to lock it in place, and press the release ring for easy disassembly. The hassle-free operation is suitable for both professional technicians and beginner DIYers, saving time and effort on every project."]