Size: 1 Body with 1-1/4 NPT Thread. This 1 coupler set consists of a male and female quick coupler. Features: Heavy Duty Design with 5076 PSI Rating. Max Flow Rate: 73.97 GPM. Locking sleeve helps prevent accidental disconnects. Compact profile with high flow performance. Harden steel construction with anti-corrosive plating. Sleeves are hardened to resist deformation and maximize life of the coupler. Valve design that allows for a minimal pressure drops and one hand operation. Seals are rated for operating temperatures up to 250°F. Includes : 1 Female Coupler, 1 Male Coupler.