3/4" shaft with 1/2" pitch (#41/420/40), 10 teeth, set screw.  Replaces 132-458, 20022, 13, and 209768A.

Will replace Manco 12884.  It's different, but it will work.

This is a special-order part. Please allow an extra 15 business days for delivery. Your card will be charged as soon as the order is processed, and the order may not be cancelled or returned.