The 19mm pressure cooker rotary knob set is for those who value safety and convenience in their kitchen. These knobs are crafted from materials that withstand high temperatures and pressure, ensuring they remain functional and safe during use.so you're always prepared for any . Upgrade your pressure cooker with these reliable and easy-to-use knobs for a cooking experience. Features -Color:Black -Material:Plastic -Size:8.00X8.00X3.80cm/3.14X3.14X1.49in - and : made from plastic materials, this pressure cooker knob is designed to withstand high pressure and frequent use, ensuring longterm durability -Precise pressure control: the unique rotating knob design allows for precise pressure control, making your cooking process and accurate -Adjustable sealing: the adjustable tightness switch a seal, preserving the taste and nutritional value of your meals -Convenient and portable: the lid design makes it easy to transport and store your pressure cooker, adding practicality to your kitchen -Versatile and functional: this multifunctional knob enhances your cooking experience by providing various functionalities, making it a valuable addition to your kitchen tools Package list: 3PCS pressure cooker accessories