The Pre-Pour sleeve allows contractors to plan where a poke-thru device will be placed in the construction process. This eliminates the need for costly core drilling. Nonmetallic sleeve attaches to structural decking or plywood base and maintains a 4"-4 1/8" (102mm - 105mm) cast in hole. Includes three (3) attachment lugs, three (3) thumb screws and two (2) end caps.
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