Faucet adapter kit, 3/4" x 27 female thread, 3/4" x 27 male thread, 15/16" male to 55/64" x 27 male. Chrome plated brass. Aerator x aerator. Includes 3 adapters and washers to adapt 15/16"-27 male to 3/4"-27 male and 13/16"-27 female thread. Used to adapt various aerator threads.