The MTD 642-04071-0638 Tiller Left Hand Tine Assembly 12" helps cultivate and loosen soil on compatible MTD garden tiller applications. This left-hand tine assembly mounts to the tiller tine shaft and rotates during operation to break up and work soil for garden preparation. It is a practical replacement for a worn, bent, damaged, or broken tine assembly that may affect tilling perfor... https://www.wholetoolbox.com/mtd-642-04071-0638-tiller-left-hand-tine-assembly-12/642-04071-0638.html