Function of the knob: replace your broken or old knob, it is suitable for most variety of cookware pot lid covers ,the material is made of sturdy, durable, easy to clean and anti-rust stainless steel which fits firmly cookware lids; It is the strong and firm grip. Features - Color: As shown - Material: Stainless Steel. - Size: About 5.6 x 5.6 x 4.2cm. - The material is made of sturdy, durable, easy to clean and anti-rust stainless steel. - It fits firmly cookware lids; It is the strong and firm grip. - Replace your broken or old knob, it is suitable for most variety of cookware pot lid covers. - The beautiful pot knob is easy to grip. - Upgrade your existing lid knob handle to a more elegant, quality and matching color of your favorite kitchen appliances. - Note: This item is not inclede screw.