PREMIUM QUALITY - The faucet tap made of strong and fine stainless steel, no lead included in the material, durable and corrosion resistant, good for your health and lasts a lifetime PERFECT CONSTRUCTION - Equipped with two silicone washers on both sides, a thin stainless steel washer and a stainless steel inner nut secure the faucet for easy operation without leaking, 90 degree ball valve for excellent sealing. It has been tested with multiple times to ensure trouble free operation EASY TO INSTALL - The beverage dispenser faucet requires a 5/8" or 16mm diameter opening to install. It fits dispenser wall up to 11/16" or 17mm thick. If necessary, use a 3/4" wrench for the nut, do not overtighten. WIDE USE - Beverage Dispenser Replacement Faucet is ideal for dispensing tea, wine, water, juice and other beverages, durable stainless steel faucet makes serving easier, suitable for a use with fermentation vessels, 15~23mm hole beer or wine