Whatever blade material you use make sure you keep it flat on the metal to avoid gouging the top of the block.

A dremel with a brass brush is nice to do the finish too.

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1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."