Description The 19mm pressure cooker rotary knob is an essential accessory for your pressure cooker.adjustable rotary switches that ensure a secure and tight fit for your pressure cooker lid. Ideal for replacing worn-out or damaged knobs, these rotary knobs provide a reliable seal, preventing steam from escaping and maintaining optimal cooking pressure. for home cooks and professional chefs alike, these knobs enhance the safety and efficiency of your pressure cooking experience. Features -Color:Black -Material:Plastic -Size:8.00X8.00X3.80cm/3.14X3.14X1.49in -Durability: made from plastic materials, this 19 mm pressure cooker knob ensures longlasting reliability and performance for your pressure cooker -Unique rotating knob design: the innovative rotating knob design allows for easy and quick pressure adjustment, making your cooking experience more precise and efficient -Adjustable tightness switch: the adjustable tightness switch enables flexible sealing of the pressure cooker, ensuring that the food retains its flavor and nutrients -Convenient lid design: the lid design makes it easy to carry and store your pressure cooker, adding convenience and practicality to your kitchen -Multifunctional use: this versatile accessory enhances your cooking experience by providing multiple functionalities, making it an essential addition to your kitchen toolsPackage list: 3PCS pressure cooker accessories