Regulating the airflow of your air tools doesn't get much easier thanks to the Master Mechanic Air Flow Adjustment Valve with Gauge from Frita Inc. Made with durability and product longevity in mind, this air flow adjustment valve with gauge is designed to withstand the demands of your tools for airflow restriction you can count on. The adjustment valve effortlessly attaches to a ¼-inch air hose or pipe, while the in-line regulator limits airflow to the application tool and features a 0 to 160 PSI gauge. You'll have no trouble attaching this helpful accessory to any air tool for fast and easy regulation, so it's perfect for precisely adjusting airflow restriction. The Master Mechanic Air Flow Adjustment Valve with Gauge from Frita Inc. measures ¼-inch NPT female inlet and male outlet and makes a great addition to any air compressor.