The Husky 1/4 in. Universal Male Coupler connects directly to compressors (not included). This durable brass coupler features a universal design to fit most popular styles (including industrial (IM), automotive (T), and ARO) and also eliminates coupler confusion. The heat treated locking balls combined with the brass construction provide added longevity and durability. The sleeve guard design reduces accident disconnects while the tubular valve body design ensures high air flow rates.