Compatible with Toro 20333, 20373, 20376, 20383, 20658, 20793, 20795, 20897. The model number is 110-1790, please check carefully. The outer circumference is 551mm, the width is 13mm, and the thickness is 9mm, complying with the original factory standards, and the installation is accurate. The belt design ensures smooth power transmission of the lawn mower, improving lawn mowing efficiency and performance stability. Standardized size design, easy to disassemble and install, suitable for DIY or professional maintenance., Manufacturer: eMagTech