SILICONE LID KNOB: The lid knob is made of silicone, sturdy and unbreakable, perfect for replacing your old or broken lid knob. ERGONOMIC KNOB: This round screw lid knob is ergonomically designed and has smooth, thick edges that cannot cut and fits comfortably in your hand. The black and gray colors match different styles of pots and kitchens. HEAT RESISTANT: The lid knob made of BPAfree foodgrade silicone is heat resistant up to 232°C (450°F), so you no longer have to worry about burning yourself or the lid slipping off easily. EASY TO INSTALL AND CLEAN: Easy to install by simply inserting a good knob, a rubber gasket, a metal bracket and screws, with fixing screws for easy attachment. Dishwasher safe. Applications: The replacement lid knobs are suitable for many types of cookware lids, such as kettles, frying pans, frying pans, pot lids, pan lids, saucepan lids, etc. They can also be used as replacements. 5 lid knobs are enough to meet your replacement needs.