The Klutch 3/8in. x 50ft. Rubber Air Hose with 1/4in. quick-connect fittings and an M-style coupler is built for durability and performance. Made from 100% rubber, it handles up to 300 PSI working pressure with a 4:1 safety factor. Reinforced with high-strength polyester braiding, the hose features solid brass fittings for corrosion resistance and is ozone, abrasion and kink resistant for reliable performance in tough conditions.