I have recently seen a video of a sharpener built by Wright Machine and tool (WT) that looks identical to the Mighty Mite sharpener. someone told me that Wright was the ones that built the Mighty mite but the sales rep from WT said they didn't however the grinding wheels from WT will work on the mighty mite I know this now first hand. I have yet to determine if the cams will interchange also, but I will continue to investigate.