Stainless Steel Material:the screws of this sink hole cover are made of quality stainless steel preventing your kitchen sink rust caused by accumulated water which is durable and high quality,Stainless steel surfaces are smooth and resistant to dirt, making cleaning simple and convenientUniversal Size 2.1 inch long handle, 2 inch cover diameter, 0.24 inch thread diameter design,stainless steel sink hole cover is suitable for most kitchen sinks or bathroom washbasin holesRole:The cover effectively seals off sink holes preventing water and preventing debris accumulation from leaking out and maintaining dryness and cleanliness around the sinkAppearance aesthetics:Stainless steel has a metallic luster and a modern feel;Its appearance is not only pleasing but also can match with many different decorative styles, making it a popular choice interior designEasy to Install:Longer threaded shank designed to screw into place for quick and easy to install without tools ;The silicone holds it firmly in place ;no need to worry about it getting loose.