1, made of high quality lead-free food grade stainless steel, non-corrosive and extremely durable. 2, composition, equipped with two silicone washers on both sides, stainless steel thin washer and an internal stainless steel nut secure the faucet for easy use without leaking, a 90 degree ball valve for excellent sealing.It has been tested with many times to ensure trouble free operation 3, Quick installation, this beverage dispenser replacement trunnion requires a 5/8 inch or 16mm diameter opening. It fits dispenser walls up to 11/16" or 17mm thick. 4, Multi-functional, Beverage Dispenser Replacement Faucet is ideal for a wine vessel , a beer container, a coffee container, a juice container, a pure water container, etc. used in coordination 5, Note, wash and tear off the white protective films on the washers before use. If necessary, use a 3/4 inch wrench for the nut, do not overtighten. Rinse thoroughly with clean water with the handle in the partially open position (45 degree