This is Delta item no. 1343903 pinion gear.  This NOS gear goes on the end of the cutterhead  and spins the gears in the gearbox. This fits the 22-540 and 22-560 planers.  Shipping on this item is free via USPS or UPS. I do combine shipping wherever possible. I do ship internationally. Just email me and I will quote shipping to your country.