The Automotive Brass Coupler Set is a professional-grade tool designed for reliable and efficient air tool connections. It features a 1/4-inch quick connect male plug and a brass finish for superior corrosion resistance and durability. The set is compatible with Automotive, Truflate, “T,” and Amflo “C” style plugs and couplers, making it highly versatile for various applications. Note: Non-returnable.