COMPATIBILITY CHECK: Before purchasing, verify your appliance model to ensure compatibility. These knobs feature a 1.6-inch diameter, 1.05-inch height, and a 0.46-inch center hole for a D-shaped shaft, tailored for most electric stoves and ovens.PREMIUM CONSTRUCTION: Crafted from robust black plastic with a stainless-steel core, the Control Knobs offer longevity and reliability. Each set includes 12 adapters to accommodate various stove and oven configurations, ensuring a perfect fit.EFFORTLESS INSTALLATION: Installing these knobs is straightforward, requiring minimal time and effort. This easy installation process can significantly reduce maintenance costs, making it an economical choice for appliance repairs.QUALITY ASSURANCE: Thoroughly tested by the manufacturer, our high-quality materials guarantee effective performance and durability. Enjoy peace of mind with knobs that withstand frequent use and meet rigorous standards.Color: BlackMaterial: plasticPackage Contents:8Pack Control KnobsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.