This kitchen pressure cooker lid replacement knob. Simple design, bakelite material, professional, practical, can be used for a long time. It is easy to use, and can be well-connected to a pressure cooker with a specific design, bringing you a safer and more comfortable use experience. Features - Color: black. - Material: Bakelite - Size: 7.50X7.50X3.50cm/2.95X2.95X1.38in -Inner hole: 1.5cm - 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, practical, make you safe to use. - Easy to use, it can be well connected to the pressure cooker with a specific design, 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: 4 x pressure cooker cover knob