So, with all the preparation and cleanup is it worth it to process 2 small parts this way?

Yes, because the use of a grinder would not get into small tight areas and sandblasting provided a uniform removal of rust and paint.

If we were working on an automobile quarter panel it would not be time effective for us to strip paint and rust with a hand held sandblaster but a larger 40 or 80 gallon tank with prepared media would give great results on floor boards or in the trunk area where sanding and grinding is extremely difficult.

Sandblasting should not be looked at as a replacement of other methods it should be used along with sanding and liquid strippers to complete your restoration task.

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Home Improvement > Power & Hand Tools > Power Tools > Sand Blasters

Sandblasting Tank 
Grizzly 20 Gal Portable Sandblaster

Sandblasting Media
Plastic Media
Glass Bead
Walnut Shells
Aluminum Oxide

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