Rod Peterson--Ormond Beach, FL
...several years ago. I did a fair amount of research when I had access to a lot of machine tools. It was interesting drawing conclusions from that research. Perhaps some may find this useful. The short version is Walt's right, but you can get some more details in my article. Oh, and regarding the Ridgid tools? Emerson Electric, the manufacturer who used to produce Sears' saws also builds (built?) Ridgid saws. Same miter slot. Surprise?