DeWalt

[NJ Marty]

Got this for $1 at a garage sale. I just don't know what this attached to, is it a scroll attachment?
Thanks

 

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[fish1on]

Looks like a jig saw replacement chuck.

 

[taz42o]

Fits dewalt power shop..

http://vintagemachinery.org/pubs/252/2583.pdf

 

[lab rat]

...or something I saw hovering over a Dentist's chair...