Ryobi #827772 sprocket with 9523500 snap ring.  This is an OEM sprocket and snap ring for the Ryobi AP-1301 planer.  It will also work on the AP10, AP12 and  AP1305 planers. Three of these are used to drive the infeed/outfeed rolls.  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.  Please note the countries that I do not ship to.