This replacement drive wheel will breathe new life into your Tormek T-8 Original machine. After many years of use, the drive wheel can become worn, dry, or damaged. By installing a new Drive Wheel, you will restore the machine's efficiency and ensure that it operates smoothly, allowing you to keep your tools sharp for many years to come. It's easy to replace and install and is compatible with the Tormek T-8 Original and Tormek T-8 Custom sharpening machines, as well as older models with a 250 mm (9 7/8") diameter grinding wheel.