Genuine KitchenAid Stand Mixer 7QT Planetary Grooved Pin.

Part Number WPW10234531.

The Grooved Pin fits into the hole, on the Planetary.

Part Number 13 on the exploded view

This Pin Will 'Only' Fit Kitchenaid 7QT Planetary's.

This Pin is a Genuine Kitchenaid Manufactured Spare Part.

Thanks For Looking.