Product CM-BMA-4 0314-7978 Box Mounting Adapter W/ 2-1/2″, 3-1/2″ & 4″ Specification Sheet - CM-BMA-4 Specifications Color Galvanized Features Mounts 4" & 4-11/16" boxes directly-to-stud- Mounting holes allow for the installation of a 4" ring for low voltage applications- Adjustable Back Support helps maintain rigidity once installed- Low profile design limits drywall bulging- For use with metal Insulation None Material Steel Series CMBMA4 Size 2-1/2 x 3-1/2 x 4 Inches Standard UL Type Box Mounting Adapter UPC 190010381258
