Hongso CGR001 Charcoal Kettle Rotisserie Kit 2290 for weber, charbroil & Kingsford and all 22-1/2 inch (57CM) charcoal kettle grills. Rotisserie Motor with water-proof switch; Fire Ring Dia 55cm Height: 15cm; Material: High-temperature heat resistance black coated steel. 2-piece spit rod adjust 35cm to 70cm. Easy to install with assembly instructions and hardwares. ATTN: this product is designed to be used on 57cm kettle grills only. Please measure the outside max diameter of the rounded bottom of your 57cm kettle grills to make sure when purchase, it shall be no less than 57cm.