Features: High-quality material: Made of high-quality alloy material, it is wear-resistant and durable, not easy to break, and can be used for a long time. Exquisite workmanship: The alloy gas-stove knob set has exquisite workmanship and high-quality materials, which can bring you a good use experience. Installation method: The knob itself is not elastic, and it is normal to be tight. If the switch levers is dirty, please clean it and lubricate it with a little oil. If the height of the iron shaft is shorter than 15MM and the knob is low enough to touch the stove top, it is recommended to stuff some paper balls into the hole to raises it. Aligns the flat mouth with the flat mouth and install it, then press it firmly. UNIVERSAL: Fits switch replacement for all gas-hobs with 6mm aperture. Widely applicable: By replacing the alloy gas-stove knob, you can solve problems such as burnt knob, damageds knob or inability of the knob to control the flames properly. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement                Description: Material: Silicone Size: Knobs Diameter: 39mm Suitable for Applicable rod 0°, diameter 6MM Package List: 4/6pcs x Alloy Gas-Stove Knobs