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The 13.5" SD1 12OC Mounting Bracket from Solid Drive is an in-wall and in-ceiling bracket for the SD1 sound transducer to ensure proper alignment and wall contact. The bracket comes with four #8-32 x 5/16" Phillips flat head machine screws for mounting the drive to the bracket.
Note:
Installation also requires four 1 & 3/8" drywall screws and one container of 3M Super 77 Spray Adhesive. *Both sold separately.