The SwingJet is part of the SwingSweep system and is used to clean the steps, benches, walls, and other hard to reach places. Designed to fit into most 1-1/2" threaded wall returns, Swingjet delivers an infinitely adjustable 3-step 90 degree cleaning arc with an innovative automatic reversing mechanism. Features Fits into most 1-1/2" threaded wall returns Adjustable 3-step 90 degree cleaning arc Only wall return with ratcheting & sweep technology For concrete, vinyl, and fiberglass pools Improves overall circulation & heating Patented automatic reversing mechanism