Click a Plug! *On orders placed before 3:30pm Central Time. (Mon-Friday) You can stop searching! We have the best quick coupler deals on eBay! High Performance Couplings Series: 3 Part Numbers: 3003, 10-3, 11-3 Interchange: M Style, Industrial, I/M, MIL Body: 1/4" Body (Manual Coupler) Plug Thread: 1/4" NPT Material: Heavy-Duty Brass and Steel Quantity: 5pc Working Pressure: 300psi MADE IN THE USA This manual coupler works with 1/4" Body Industrial Interchange Plugs/Nipples. They are also called MIL , M , or I/M interchange. We have lots of them in stock in many sizes. Look for " M Style " or " Industrial " in our store. If you need help send us a message. Feedback from our great Customers! These parts are the real deal. Professional grade quick couplers that are designed to last in your manufacturing plant or in your workshop at home. Made and shipped from the USA, so you will get your parts FAST! If you want the best, look no further. Your tools will thank you !