The CMA-347 can be used with any 1-1/2" NPT extension column and includes two sets of springs for different weight mounting options. Protect Your Projector. Condition: New Open Box -missing the following hardware: 1x 1/4" Washer, 2x 10-24 x 1/4" screw, 1x vibration brushing, 3/32" hex tool.
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