Premium Material - Made of 304 stainless steel. Lead free and resistant to corrosion and limescale. Glossy polished finish. Wide Range of Uses - Suitable for wine bottles, glass bottles, fermentation vessels, beverage machines, and more. Easy to Install - Fits dispenser walls up to 17mm thick. Requires a 16mm diameter opening. Use a 3/4" wrench on the nut if needed; do not over tighten. Leak-Proof Design - Quarter-turn stainless steel valve ensures a secure, drip-free seal. Prevents spills of juice, tea, or water. Package Includes - 1 stainless steel beverage dispenser faucet with accessories. Waterproof silicone ring and two silicone washers are securely installed on both sides of the dispenser wall, enclosed by a thin stainless steel washer and stainless steel inner nut for stable, leak-free performance. Compatible with various beverage containers and gravity filter systems. Durable replacement faucet for premium beverage dispensers. Tested for 50 million revolutions. Fits openings with a diameter of 5/8" or 16mm. High-quality 304 stainless steel construction. Rust-free and lead-free. Ideal for dispensing drinks, juices, wine, or other beverages. Perfect for outdoor parties, receptions, hotel dining rooms, and events. Note: Wash before first use. Use a 3/4" wrench if necessary; do not over tighten. Avoid over-tightening and clean thoroughly after each use.