PREMIUM QUALITY - The faucet is made of strong and fine stainless steel, the material is lead free, durable, corrosion resistant, good for your health and long service life PERFECT CONSTRUCTION - Two silicone gaskets on both sides, thin stainless steel washers and stainless steel inner nut secure the faucet, easy to use, no leaking, 90 degree ball valve provides excellent sealing. Repeatedly tested to ensure trouble free operation EASY TO INSTALL - The beverage dispenser faucet requires a 5/8" or 16mm diameter opening to install. It is suitable for dispensing wall thicknesses up to 11/16" or 17mm. If necessary, use a 3/4" wrench to tighten the nut without overtightening. MULTIPLE USES - Replacement beverage dispenser tap is ideal for dispensing tea, wine, water, juice and other drinks, durable stainless steel tap makes it easy to use, suitable for use with fermenters , beer tanks or wine tanks with 15~23mm holes PLEASE NOTE - Please wash before use, do not overtighten, clean