STANDARD FITTING - Male connection of our faucet head is 20mm or 0.8" or 13/16" in outer diameter, NOT 1/2", inside diameter of the male connection 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 confirm the size and thread type of your fixture before orderingWELL MADE & CHECK VALVE DESIGN - solidly constructed of engineering-grade ABS plastic with premium chrome finish for durability, check valve inside the connection reduces dripping after turning off the water3 FUNCTIONS & EASY OPERATION - Effortlessly switch from stream to spray, one click and it will maintain the water mode, keep pressing the round button to pause the water while filling pitchers PROVIDE STRONG WATER FLOW: no built-in restrictor, our spray head brings powerful flow and wide spray, it's efficient and convenientPROVIDE STRONG WATER FLOW - No built-in restrictor, our spray head brings powerful flow and wide spray, it's efficient and convenient when washing dishes or rinsing sinkGOOD MATCH WITHOUT LEAKING: no annoying rubber button, blend well with the original one, simply unscrew the broken one and screw this onto your setup, no leaks if size is compatible and under proper installationDelivery Quantity: 1 PieceProduct color: silverProduct size: 8*2*5cm