Features: xPerfect for Outdoor BBQ: These knobs are most commonly used for outdoor BBQ parties. Enjoy a hassle-free grilling experience with our easy-to-use control knobs. xABS plastic, chrome-plated finish, and non-slip silicone ring. They're soft, easy to hold, and built to last. xSuitable for multi-function grills, two sizes for you to choose, outer diameter 58mm, height 32mm and outer diameter 50mm, height 32mm Please check before ordering Size xOur knobs are easy to install with no tools required xSolid and durable, long service life.Easy to install and reliable to use. Specifications: xProduct name: Grill Control Knob xMaterial: plastic xSize: 58mm, 50mm xColor: as shown xquantity:4pcs Package Contents: 4pcs Control Knob Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.