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Registered
Join Date: Nov 2002
Location: Morris County, NJ
Posts: 13,314
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DA stands for Dual Action. It's a sander that spins in a circle as well as in an offset orbital movement using a cam mechanism. The idea is to give a more-or-less random sanding pattern.
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Warren & Ron, may you rest in Peace.
Last edited by RickM; 10-13-2003 at 10:52 AM..
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