The DEWALT Female Universal Coupler (1/4 in. FNPT x 1/4 in. Body) solves the headache of needing different couplers for different air tools. This versatile coupler works with all 3 major fitting types - Industrial, Automotive, and ARO - all in 1 unit. The 6-ball design connects and disconnects quickly while creating a secure seal that won't leak or blow off under pressure. With a standard 1/4 in. NPT female threads, it threads easily into your existing air setup. This coupler handles up to 300 PSI with 40 SCFM airflow @ 90 PSI, so it works with all but the hungriest air tools. The size and type are stamped right on the body, making it easy to find in your toolbox. Material: Steel.