I trcieved my Dremel last week (ebay special) I took it for a spin yesterday on two razors that I had awaiting work on. I first used the grinding wheel on one. A lot of sparks black gone but bade shows my inexperience. I will have to use something to reduce the marks I guess finer grade. On the second I just used the felt wheel with MAAS on it very good. Cleaned it nicely. Now I just have to hone it. I am very thrilled.