1204S358 I/M Safety Coupler, 1/4-In. MNPT - Quantity 1 Not all couplers are created equal, and nothing proves that more than the Master Mechanic Male Safety Coupler from Frita Inc. This uniquely designed safety coupler comes equipped with a two-stage release mechanism that helps users avoid injury or damage that might result from accidental disconnects. It boasts an innovative push-button design to ensure a quick and stress-free connection and disconnection of tools, and with the added bonus of preventing air pressure and air blow back. And we promise the safety coupler couldn?t be easier to use, only requiring one push to stop air flow and two pushes to release the plug. The Master Mechanic Male Safety Coupler from Frita Inc. measures OE-inch I/M coupler to OE-inch NPT male and puts user safety front and center. Features Measures OE" I/M coupler to OE" NPT male Comes equipped with a 2-stage release mechanism that helps users avoid injury or damage that might result from accidental disconnects Boasts an innovative push-button design to ensure a quick and stress-free connection and disconnection of tools Helps prevent air pressure and air blow back Only requires 1 push to stop air flow and 2 pushes to release the plug USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.