FEATURES: Fitment: Compatible with Parker's Senso Control diagnostic equipment. Suitable for use with hydraulic or pneumatic systems, interchangeability with other test point couplings manufactured to the same specifications. Material: Made of durable, industry proven CNC Billet Aluminum/steel, excellent solid with great rust and corrosion resistance for years of trouble-free use. Function: Used for hydraulic or pneumatic systems, connecting to the diagnostic ports for John Deere Power Tech engines. Benefits: Flush face valves can minimize air inclusion and spillage. Easy Installation: Easy push to connect operation. .