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Review Summary
14.1" - 23" (35.8 - 58.4 cm)
300 lbs (136.1 kg)
Overall: 4.1" x 4.5" x 22.7" (105 x 114 x 577 mm)
The Chief CMA-385 Internal Joist Mount expands to bridge ceiling joists on 10-23" centers. The CMA-385 has a clamping bracket that adjusts from 8.50-21.50" and has a threaded fitting that accepts a 1-1/2" NPT threaded extension column.