764ST Milton® 1 4" FNPT High Flow (V Style) Quick Connect Steel Coupler (Box of 10) LP17 EP Built to Last: Durable heavy duty ZE2550P Built to Last: Durable heavy duty plastic body is designed for multiple fluid types while holding up to the toughest of use Easy to Read Markings: Readouts are molded into the transparent body making for easier identification of how much fluid has been removed or is being added Milton V Style couplers will also accept M Style® and A Style plugs Milton®s Industrial (V style) quick connect couplers are made of heavy duty steel which is ideal for applications requiring a durable and long lasting pneumatic coupler