Easy Connection: The PD coupler allows for quick and effortless connection of test instruments, gauges, transducers, and flow sensors to the system diagnostic test ports, facilitating prime fuel systems and raising hydraulic pressure with ease. Minimal Air Inclusion and Spillage: The flush face valves of the PD coupler minimize air inclusion and spillage, ensuring efficient and leak-free coupling. Size of Quick Coupler: This coupler is available in 1/8 in body size with a rated pressure of 6000 psi when connected, 1/4 in-18 NPTF thread size, 2.12 in length. Convenient Operation: When connected with PD Series Nipples, the coupler enables a simple push-to-connect operation, offering a hassle-free user experience. Durable Construction: Made from high-strength steel, the PD coupler exhibits excellent strength, resistance to rust, wear, and impact, ensuring long-lasting performance. Knurled Surface for Better Grip: The coupler features a knurled surface, providing a better grip for easy and secure connection and disconnection of the test port. Item Type: Hydraulic Test Port Material: Steel Size: 1/8 in body size, 1/4 in-18 NPTF thread size, 2.12 in length Application: Compatible with Parker's SensoControl diagnostic equipment. Used for hydraulic or pneumatic systems, connecting to the diagnostic ports for Power Tech engines. 1 x Hydraulic Test Port