Pull Out Design Head Replacement Parts: A functional replacement for the old, broken or clogged facuet head, you don't need to order the whole set upEasy to Install: Without any tool, take minutes, simply unscrew your old faucet head and replace it with the new one is done wellMale Thread Sink Sprayer Head: Faucet head for kitchen sink is only as a replacement for a standard type of G1/2 pull down faucets, NOT 1/2"; NOT UNIVERSAL. Male connection of this faucet sprayer is 20.5mm or 0.8" or 13/16"(outer diameter); Inside diameter is 14mm or 9/16"2 Function Kitchen Sink Sprayer: Includes 2 water modes: stream/spray; Spray mode is with very strong power, can easily flush the food debris; Easily switch among 2 modes by press and release the button on back of the headGreat Quality: This kitchen sink sprayer is made of engineering grade ABS plastic with fine metal finish, ensuring quality and longevity; Silicone nozzles, easy to clean, good anti- rust; No leaking to save much water and energy