Durable Stainless Steel: The sink hole cover is made of zinc alloy, while the screw is made of high-quality stainless steel. The faucet hole cover is sturdy and designed for long-term use, with low deformation tendency, and is equipped with a rubber gasket for better sealing. Wide Range of Uses: The kitchen sink hole cover is designed to fit most sink holes, with a 5.5cm long handle, a 5cm plug diameter, and a 0.6cm thread diameter. It's an ideal replacement for old, leaking accessories, helping to keep your kitchen clean and prevent further leaks. Easy to use: We provide washers to fit the sink hole cover, long screws with wing nuts at the end of the faucet hole cover, and an extended threaded handle that screws into place and is secured with silicone, making the stainless steel water hole cover quick and easy to install without tools. Package contents: Each sink hole cover consists of a bolt cover, a rubber gasket, and a fixing nut. The complete set of tools makes it easy to use.