This Beverage Dispenser Replacement Spigot requires 5/8 inch or 16mm diameter opening to install. It fits dispenser wall up to 11/16 inch or 17mm thick. Beverage Dispenser Replacement Spigot is made of fine solid stainless steel, no lead included in the material, surprisingly and -, good for health and with a with proper appliance. Beverage Dispenser Replacement Faucet is great for Dispensing Tea, wine, water, juices and other beverage. Fits all Stainless Steel models. Wash and tear off the white protective films on the washers before use. If necessary, use 3/4 inch wrench for the nut, do not over-tighten. Rinse thoroughly by clean water with handle in partial open position (45 degree turn) after the usage. If used for sugary drink, we suggest removing the spigot from the dispenser and clean thoroughly.