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 &nbsp ;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 use without leaking, a 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. VERSATILE USE - Beverage Dispenser Replacement Faucet is ideal for dispensing tea, wine, water, juice and other beverages, durable stainless steel faucet makes serving easy, suitable for for use with fermentation vessels, 15~23mm hole beer or wine