High-quality materials: The swivel fitting is made of high-quality corrosion-resistant zinc-plated hardened steel, providing anti-corrosion properties and a longer service life. Increased hardness and durability enhance the performance of the accessories. Swivel air plug design: The swivel body helps prevent the hose from kinking and improves mobility, making it more flexible and convenient to use. Pre-coated sealant threads help reduce air leakage, eliminating the need for tape. Usage: Industrial accessories compatible with Type M/D air plugs. This female air coupler works with various pneumatic tools such as air compressors, blow guns, and air nailers, meeting the needs of different users. Swivel 1/4 inch NPT male quick connect fittings size: All air hose fittings feature 1/4 inch NPT threads and 1/4 inch body size. Color: Silver Material: Steel Package Contents: 5 x 1/4 inch Swivel Air Plugs Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.