Pressure Washer Adapter 3/8″ Quick Connect NPT Plug Socket Stainless 5000PSI by | Jul 25, 2026(10PCS 3/8” quick connect plug to 3/8” NPT male thread and 3/8” quick connect socket to 3/8” NPT male thread). Upgraded material: Pressure washer adapter set is made of stainless steel. High quality and hardness.