Fits lids with knob holes from 0.17 to 0.47 inches (5–12 mm) Made of plastic and stainless steel for heat resistance and durable handling Helps prevent scalds by providing a reliable grip on hot lids Universal replacement knob suitable for most lids and widely used on cookware lids such as water kettles, glass lids, and stainless steel lids Easy, oneperson installation: align the knob with the metal washer and tighten with screws to secure it Use scenarios Replacing a damaged or worn lid knob on pots, pans, or kettles to restore safe grip and control Standardizing lid handles across a mix of lids (glass, stainless steel, kettle lids) with a single universal knob DIY lid upgrade in home kitchens to improve safety and handling on frequently used cookware Specifications Aperture compatibility: 0.17–0.47 in (5–12 mm) Materials: plastic and stainless steel Installation: place knob and washer, then tighten screws; process can be completed by one person