This is a great deal for a hard-to-find item! We have direct replacement knives to fit the RYOBI AP-10 portable planer. This listing also features the factory replacement plastic knife setting gage for setting the knives into the head properly. See our other listings for multi-pack discount deals on these and other planer knives. We also sell other parts for the RYOBI AP-10 and AP-12 planers, please contact us with any needs. Please select USPS Flat Rate Priority Mail shipping for the cheapest shipping method on these.