Thomas & Betts Co - Carlon MB120ADJ 1-Gang Metal Adjustable Box

Single Gang Adjustable Wall Box, 20 Cubic Inches, 3.28 Inches Long x 2.20 Inches Wide x 3.52 Inches Deep, 1/2 Inch Knockouts, Pre-Galvanized Steel, For use with 4 Inch Square Boxes Features: Patented adjustment screw.; Adjust to ANY wall thickness.; Accommodates high and low voltage applications.; Pre-installed ground lug and flat bottom cable priouts.; Removable-allows inner wall access.; Mounts square and secure every time. - Application: Accommodates non-metallic cable (NMSC), flexible cable (ACC/MC) and EMT (Conduit).