This kitchen pressure cooker lid replacement knob feature simple design, but professional, practical, can be used for a long time. The pot cover knob has heat resistance, easy to use, and can be connected to a pressure cooker with a specific aperture. Features -Color:Black -Material:Plastic -Size:8.00X8.00X3.80cm/3.14X3.14X1.49in -Hole distance: 19mm - Plastic material, replacement parts for pressure cooker are wear resistance, anti aging, and . - These beautiful knobs can make your pressure cooker lid more unique and attractive without spoiling the overall aesthetics. - Pressure cooker lid knob is an excellent substitute for old or one, fits your pressure cooker lid and operates safely - Easy to install and operate, light weight, good size, easy to grip, can go well with your lid and practical and beautiful. - Pressure cooker lid knob prevents the hot lid from burning your hand, allowing to lift and put pot lid conveniently. Package list: 4 x pressure cooker cover knobs