1.G1/2 or 13/16 Inch Male Connector Diameter of Hibbent faucet head thread is 20.5mm or 0.8" or 13/16"(outer diameter), Not 1/2", Not inside diameter is 14mm or 9/16", Only designed for a Standard type of pull out hose, fits most applications, but doesn't fit some models of specific brands, please check the size and thread type before ordering. 2.Easy Change Between 2 Modes2-Function: Stream mode and spray mode. High pressure sprayer type can easily flush the food debris and dishes. Simply press and release the button on back of the head to switch between 2 modes. 3.Pull Out Head is of Good Quality Well MadeThe faucet spray head is made of high quality material, water comes out softly. Engineering grade plastic (PC/ABS) constructed and industry leading matte black finish, ensuring quality and longevity, resist scratches. 4.Easy to InstallStandard style design. It's very easy to install this pull out faucet spray head, simply unscrew your old shower head and replace it with your new one to transform your kitchen. 5.Functional and Stylish Pull Out Head Replacement PartsThis pull out head is a sleek and functional replacement for the broken or clogged one that came with the faucet, you don't need to buy the whole set up.