HIGH QUALITY & SOLID CONSTRUCTION: nicely constructed of engineering-grade ABS plastic with premium matte black coating for durability, effectively withstands daily rust and tarnishing, providing everyday convenience for different cleaning tasksSIMPLE TO INSTALL WITHOUT CONFUSION: concise and modern appearance blends well with kitchen faucet. Simply unscrew the broken one and screw it on like changing a light bulb, no plumber is neededBOAST STRONG WATER FLOW: no annoying built-in restrictor, our spray head brings powerful flow and wide spray, it's convenient when washing dishes or rinsing sink, improves water efficiency3 SETTINGS FOR EASE OF USE: easy to operate, one click to switch between stream and spray smoothly. Keep pressing the round button to pause the water, handy for filling containersSTANDARD MALE CONNECTION: outer diameter is 13/16" or 0.8" or 20.35mm, NOT 1/2", inner diameter is 9/16" or 0.55" or 14mm, fits with most applications, except for some models from specific brands. Note it's ONLY designed for a STANDARD TYPE of pull out hose with female thread, please check the size and thread type before ordering