Crafted with durability in mind, these timer switch knobs are great for a variety of cooking appliances. Their universal design makes them suitable for electric pressure cookers, ovens, and slow cookers. The round shaft buttons provide a comfortable grip, making it easy to adjust settings and ensure precise cooking times. Features -Color:Black -Material:Plastic -Size:4.80X4.80X2.20cm/1.89X1.89X0.86in -Hole diameter: 6 mm -great construction: crafted from plastic, these knobs are built to last, ensuring reliable performance over time -Userfriendly design: the intuitive design makes these knobs easy to use, even for those who are not -Convenient replacement: designed for easy installation, these knobs can be replaced quickly, minimizing downtime in your kitchen -Precise timing control: with adjustable timing features, these knobs allow for accurate cooking time settings, enhancing your culinary results -Multifunctional: ideal for use with a variety of appliances, including electric pressure cookers and ovens, these knobs offer great versatility Package list: 12 x electric pressure cooker knob