The Roundup AJ Antunes 7001329 drive sprocket transfers rotational motion within compatible contact toaster equipment. Its teeth engage with the corresponding drive component to support movement of the connected mechanism during normal operation. The 1/2-inch bore identifies the shaft opening and is an important measurement when checking fitment. Correct sprocket alignment and engagem... https://partsfe.com/sprocket-for-roundup-part-7001329/1-7001329.html