Holy cow - Billy Mays is back from the dead after18 months. I just saw him screaming at me on the attached commercial - http://www.dualsaw.com/howitworks.html.

Can you just buy a blade? It looks like something that will fit an angle grinder with a 1/2 - 5/8 arbor. Why not check Harbor Freight as well.

Me. I would just do the cut off wheel routine since a pack of 10 wheels are only a few bucks