Description This product is a kitchen pressure cooker lid replacement knob. Simple design, bakelite material, professional, practical, can be used for a long time. It has heat resistance, is easy to use, and can be well connected to a pressure cooker with a specific aperture, bringing you a safer and more comfortable use experience. Features - Color: black. - Material: bakelite. - Size:7.40X7.40X3.70cm/2.91X2.91X1.45inch. - Application:Pressure cooker of 1.5cm aperture. - With smooth edges and surfaces without burrs, this pressure cooker knob is safe and secure and won't hurt your hands. - Simple design, bakelite material, professional, practical, can be used for a long time. - High temperature resistance, explosion-proof, corrosion resistance, make you safer to use. - Easy to use, it can be well connected to the pressure cooker with a specific aperture, bringing you a safer and more comfortable use experience. - Reasonable structure, with a certain anti-slip effect, easy to grasp, saving time and effort.Package list: 3 x pressure cooker cover knobs