129 PCS Brass DOT Air Line Fittings Kit With 50FT Air Hose - Complete Pneumatic Set

If you work with semi trucks, trailers, or industrial air systems, this 129-piece brass DOT air line fittings kit is about to become your new best friend. This massive set includes pretty much everything you need for air line repairs and installations - 50 feet of 1/4 DOT air hose line, unions, tees, bushings, elbow connectors, straight connectors, compression fittings, sleeves, ferrules, nuts, inserts, and even a Schrader valve and Teflon tape. All the brass fittings are DOT approved and meet FMVSS 571.106 and SAE J1131 standards, which is fancy talk for 'they're really high quality and safe.' The brass material resists corrosion and handles high temperatures like a champ, while the polyamide 12 nylon air hose is super flexible yet durable against oil, wear, and pressure. These fittings can handle working pressures up to 500 psi and temperatures from -65°F to +200°F, so they're built tough for real-world conditions. Installation is a breeze with the push-to-connect design - you basically just push the tubing in and you're good to go (though you might need tools for tightening in tight spaces). The NPT threads have sealant already applied for better connections that won't leak. Whether you're fixing air brakes on trucks and trailers, working on manufacturing production lines, or handling various industrial applications, this kit has you covered. It works with PU, PA, PE, and PVC tubes too, so it's super versatile. Having this comprehensive set on hand means you'll always have the right fitting when you need it, saving you multiple trips to the auto parts store. Seriously, if you deal with pneumatic systems regularly, this kit is a game-changer for your toolbox.