BrassCraft SF0021X Universal Faucet Aerator Adaptor with 9/16-Inch ID Rubber Adaptor x 3/4-Inch Male Hose Thread x 55/64-Inch 27 Male Thread, Black/Chrome Easy to use Highly durable Thread Size: 3/4" ID x 55/64" -27 male thread x 9/16" ID Height: 1-21/64" Finish: Black and chrome Material: No-lead brass and steel No-lead certified