Installing these universal plastic knobs on your gas stove is a straightforward process. First, ensure the stove is turned off and cool. Remove the existing knobs by pulling them off the control shafts. Align the new knobs with the shafts and push them firmly into place. These knobs are designed to provide a snug fit, preventing accidental dislodging during use. Features -Color:Black -Material:ABS -Size:5.50X5.50X3.00cm/2.16X2.16X1.18in -Convenient operation: the gas stove knob is designed for easy handling, allowing you to adjust the flame size effortlessly for more efficient cooking -Durable: made from abs material, these knobs are resistant to wear and tear, ensuring performance and reliability -Leakproof design: the gas stove knob features a safety mechanism to prevent gas leaks, providing peace of mind and a safer cooking environment -Universal fit: these knobs are designed to fit a wide range of gas stoves, making them versatile for use in different kitchen settings, including homes and restaurants -Precision control: the gas stove knob offers precise control over the flame size, enabling you to achieve the cooking temperature for a variety of dishes Package list: 12 x gas stove knobs