The Buyers 1" Brass Wing-Type Male And Female Hydraulic Quick Coupler is the perfect for truck and trailer hydraulic systems applications. It features a flow rate of 50 GPM. The coupler is made of solid brass and features a durable, reliable brass and iron construction. This coupler assembly has male and female ends for easy installation and use. It is designed to provide a secure connection and long-lasting performance. FleetPride is your First Click in Heavy Duty®.