1.[G1/2 or 20.5MM Male Connector] Diameter of kitchen tap spray head 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 doesnt fit some models of specific brands, please check the size and thread type before ordering. 2.[Easy Change Between 2 Modes]2-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 Made]The pull out kitchen mixer tap is made of high quality material, water comes out softly. Engineering grade plastic (PC/ABS) constructed and industry leading chrome finish, ensuring quality and longevity, resist scratches. 4.[Easy to Install]Standard style design. Its very easy to install this kitchen tap with shower, 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 Parts]This kitchen taps with pull out spray is a sleek and functional replacement for the broken or clogged one that came with the faucet, you dont need to buy the whole set up.