material: The reusable socket and lock nut are made of plastic, and the gasket is made of silicone material, which is odorless and non-; wear- materials make our products have good durability Abundant quantity can meet your , you can use our products to replace the old Easy to use: As a household tool, our cooling faucet is easy to install. You only need to put the washer and lock nut, tighten the screw, and you get a new faucet; push up, the faucet remain open to avoid Allocation Basically suitable for the size of household faucet, no dripping, no water leakage, long-term use Scope of application: replacement of cooling faucet is suitable for most water dispensers, coolers, wooden barrels, glass bottles and cold drink machines