this would be useful for power sanding, I think - it's an attachment for your 1/4 inch drill that gives it a right angle capability - looks like it will go cheaply - certainly a lot cheaper than a Soux right angle sander --- here's the link
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and I also listed an attachment to turn that same old drill into a jig saw:
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and even a rather nice plane:
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All these things will fit in one box, so if a single bidder wins, there is quite a savings on shipping