I have an OLD table saw. I'm Looking for the saw blade inserts for it. The model # is 113.29960. The original part numbers are. 37839 for the regular insert and 9-29921 for the Dado. Yhe number for the Mldg. head is 9-29922. Alaso I would like a guarg for this saw. They are not available from the parts dept. any longer. Help. Don at doncar@artelco.com