Comprehensive Kit Includes: This set features 5 pieces of 1/4" NPT female brass fittings, ideal for a variety of pneumatic systems. The solid brass construction ensures durability and leak-free performance, enhancing the efficiency of your air tools. Robust Construction: Crafted from high-quality brass, these fittings are designed to prevent leaks and deformation. The rust-proof nature of brass ensures longevity and reliability, making it easy to connect accessories to your air compressor quickly. Versatile Compatibility: Suitable for M or D type couplers, these fittings are interchangeable with most manufacturers' products. The Industrial Type D 1/4 inch design makes them a versatile addition to any tool kit. Industrial Strength: Engineered to withstand rigorous use, these air coupler fittings boast a maximum working pressure of 300 PSI. They are built to endure tough jobs, making them a reliable choice for both professional and home environments. Wide Range of Applications: Ideal for use in professional job sites, automotive shops, service departments, and home garages. These 1/4 inch air compressor accessories are perfect for air hoses, compressors, nailers, blowguns, and pressure washers. Color: Gold Material: Brass Package Contents: 5* adapter