Clamp On Brass Level Piece in Seattle, Washington For Sale

I'm told this might be a Pole Stick Bubble Level. It's made of brass and measures 2 1/4" long x 1 3/8" wide. $8
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Available at the Castle Rock Mercantile Antique Mall: http://www.bagtheweb.com/b/E7Kxc0. Open 10am to 5pm on Saturdays and Sundays. Located a few minutes off I-5. Take exit 49 toward downtown Castle Rock, WA. Address is 160 H Huntington Avenue North.
Find this item in the Tin Can Alley vendor space at the center of the mall. See video, photos and a link to all our craigslist items here: http://www.bagtheweb.com/b/UG8KRi