I can do it with my ryobi but the router is bit up to do it //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gifhttp://www.partsexpress.com/pe/showdetl.cfm?&DID=7&Partnumber=365-250
2 1/4" circle. also, they say it works with all sears routers, is that the same as craftsman?