Sanding the varnish off an old piece of furniture clogs a coarse-grit sanding belt in a hurry. In this situation I use two belts. While I work with one, the other sits in a small can of lacquer thinner. This softens the gummy varnish enough that I can knock it off the belt with a wire brush before reusing it.
Steve Johnson, Washougal, WA
The DeWalt 4.5 in. — 5 in. grinder has variable speed control (six speed settings), a safety system that shuts down the tool if the blade binds, and a brake that stops the wheel after the trigger is released.
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