Product CM-BMA-23 0314-7981 Box Mounting Adapter W/ 2-1/2 & 3-1/2 Specification Sheet - CM-BMA-23 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 CMBMA23 Size 2-1/2 - 3-1/2 Inches Standard UL Type Box Mounting Adapter UPC 190010381265
