Quality Construction Built from strong iron for lasting durability, with the hex coupler and nipple made from brass for strength. Copperplated exterior adds enhanced corrosion resistance, ensuring reliable performance in demanding environments and extended service life. Fast and Secure Connections Features four locking balls that firmly hold the plug in place for a tight, dependable seal. Pushon style coupler design enables quick, automatic connection—simply insert the plug and you're ready to work. Versatile Compatibility 1/4 inch hose fittings and air plugs fit most standard air hoses and pneumatic tools. Suitable for use with compressors, nailers, blow guns, pressure washers, and a variety of other airpowered tools. Practical Applications for professional workshops where speed and reliability matter. Ideal for auto shops and dealership service bays to handle a wide range of pneumatic tasks. Convenient for home garages to power tools, inflate tires, or perform maintenance. Comprehensive Set Includes 14 pieces of air compressor fittings, providing everything needed for daily projects and replacements. Ensures you have the right components on hand for both routine and emergency use. This set offers strength, ease of use, and versatility, making it a dependable choice for anyone working with pneumatic systems.