Features pre installed O rings for leakproof connection and simple setup, allowing fast restoration of your pressure washer ' s functionality with minimal effort Engineered with precisions threads and O rings to maintain tight, leak proof connection between your pressure washer pumps and threaded hoses Make of durability aluminum alloys for enduring, featuring high precisions leakproof threads to ensures secure connection in high pressure cleaning systems Designed to fit various pumps models including 510005, 520002, 520013, 520014, 530017, 540001, 540002, 540005, and 540006, providing a quick replacement solution for worn or damaged parts Includes 2 adapters with male thread for pumps connection and female thread for hose attachment, ensuring versatile use with different high pressure cleaning setups, Manufacturer: ZBIianxer