This package includes 30 pieces of 1/4 Inch Air Hose Fittings (male NPT industrial plugs), offering a cost-effective solution for both daily home garage use and heavy-duty professional needs (e.g., automotive shops, job sites). Crafted from high-quality galvanized iron, these air hose plugs boast excellent resistance, abrasion resistance, and durability. They withstand a maximum operating pressure of 300 Psi, maintaining structural integrity even under heavy use. Measuring 4.1 x 0.78cm, these quick connect air line hose fittings feature a 1/4-inch male NPT (National Pipe Taper) thread-compatible with air hoses, air tools, or couplers with female 1/4-inch NPT ports. Industrial M-Style (Type D) Compatibility & Leak-Proof Design: These industrial air hose connect adapters follow the industrial M-Style (Type D) standard, seamlessly compatible with industrial/M-Style/Type D air couplers and quick connectors. Suitable for diverse scenarios, these high pneumatic plugs work with air compressors, air , pressure washers, and air hoses. They're ideal for home garages, automotive service departments Product Name: 1/4 Inch Air Hose Fittings Color: Silver Material: Galvanized Iron Weight: 584g Dimensions: 4.1 x 0.78cm Packaging: Bags Packaging Contents: 30 Pcs 1/4" Male NPT Industrial Plugs Package Contents: 30*pcs 1/4" Male NPT Industrial Plugs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.