For those of you that have used these in your Dremel tool while building you Velocity you know how great they are. For those of you that haven't you should. AND at $2.50 a set of five they are a real bargain. See http://www.harborfreightusa.com/displayitem_retail.taf?Itemnumber=31501 Jim ===== James F. Agnew Jim_Agnew_2@Yahoo.Com Tampa, FL Velocity 173 Elite Aircraft Completed & Flying