✅HIGH QUALITY MATERIAL:Made of high quality bakelite material,high temperature resistant,abrasion resistant,insulating,sturdy and durable to use. ✅EASY TO GRASP:Unique design make it easy and comfortable to grip,prevent the hot lids from burning your hands. ✅EASY TO INSTALL:The screws is easy to fix,just put the knob,rubber gasket and metal gasket correctly,and then use screw to tight them. ✅EASY TO CLEAN:It is also simple to clean,after usage,you could use wet cloth to clean it. ✅WIDELY APPLICATION:Suitable for many kinds of cookware lids,such as kettle,oil pot,frying pan,pot lids, saucepan lids,pan lids and so on.