A random-orbit sander's jitterbug motion eliminates the swirls and curlicues that disk and orbital pad sanders leave behind. And random-orbitals can traverse different grain directions without leaving a scratch.
At left, clean wood emerges from beneath multiple layers of paint after just a few minutes of attention from a Fein 6-inch model. A vacuum sucks away virtually all the dust through holes in the sanding pad, keeping the surface of the sandpaper cool and clog-free; about $519, feinus.com
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