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 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.