Summit HPC Couplings are designed to work at 10,000 PSI. Primary applications include High Pressure Jacks, Hydraulic Tools and Torque Equipment and Rescue Tools. This 3/8 coupler set consists of a male and female quick coupler. Features: True push/pull connection allow for quick connection and disconnection. Safety Sleeve Lock prevents accidental disconnects. Slim Profile and compact design. Hardened High Strength Steel provides long working life and durability. Pressure Rating: 10,000 PSI. Nominal Flow Rating: 6 GPM. Burst Pressure Rating: 40,000 PSI. Body Size: 3/8. Port Size: 3/8 NPT Thread. Temperature Range: -15 Deg F to 400 Deg F. Female Coupler Length: 2.56. Male Nipple Length: 2.19. Connected Length: 3.51.