72151-1/2-3/4-E

Square Box - 29.5 Cubic Inches - 4-11/16 Inches Square x 1-1/2 Inches Deep - 1/2 Inch and 3/4 Inch Eccentric Knockouts - Pre-Galvanized Steel - Welded Construction - Suitable for use without a Bonding Jumper in Circuits Above or Below 250 Volts.