Clamping Level. Stanley's Bostitch line of heavy-duty construction hand tools offers 2- and 4-foot clamping box beam levels. A spring-loaded clip at each end holds tight to 2-by and 4-by lumber — even when the level is hanging upside-down. The tools have extra-wide box-beam construction for rigidity, with a solid bridge over the center vial that provides a continuous marking surface. They're sold online for $41 (2-footer) and $73 (4-footer). Bostitch, 800/782-6539. www.bostitch.com
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