Arlington Industries FSCB24 Steel Single Gang Box for Concrete Block Walls, 22.0 cu. in., 2.688" Width, 1-Gang

Crafted for robust applications, this steel single gang box is designed specifically for concrete block walls and accommodates both 1/2" and 3/4" knockouts, making it versatile for various electrical installations. The innovative spring steel clip ensures a secure fit against walls, providing stability when the screws are tightened. With a capacity of 22.0 cubic inches, this box offers ample space for connections, making it an ideal choice for electricians seeking durability and reliability in masonry installations.