1. Our pot lid knob is made of sturdy, durable metal and plastic which fits firmly on cookware lids like glass, plastic and steel material. which is temperature resistant, wear resistant, sturdy and durable to use.2. There is nothing more inconvenient than the fact that your favorite pot lost its handle, With this simple durable replacement knob, your lid will continue on serving your cooking needs better than new.3. Our lid knob is suitable for the most variety of cookware pot lids which can replace your broken or old knob. Such as kettles, oil cans, frying pans, lids, pan lids, pot lids.4. The metal washer is durable and anti-rust, easy to clean. Plastic knobs heat resistant, easy and comfortable to grip it.5. Easy to install, with retaining screw for easy fixing just put the knob, metal washer and metal cover correctly, and screw them tight. use for a long time.6. Suitable for many kinds of lids, the mounting hole size should more than 0.23 inches and less than 0.55 inches. Specification:Material: Plastic, MetalFit for Mounting Hole Dia: 6-14mm/0.23inch - 0.55inch Plastic Knob Diameter: 43mm/ 1.7 InchMetal Cover Dia: 60mm/2.3 InchMetal Washer Dia: 16mm/0.63 InchOverall Size: 60 x 32mm/2.3inch x 1.26inch(D*H)Screw Size: M5 x 19mm/M5 x 0.75inch(D*L) Available Color: Red, Orange, Yellow, Green, Blue Package Included:1/2/4 x Knobs1/2/4 x Screws1/2/4 x Metal Covers1/2/4 x Metal Washers Notes:1. Variability of 1-3mm is possible due to the measurement process.2. Due to the light and screen setting difference, the color of the item may be slightly different from the pictures.3. Do not over-tighten when install.