Industry Description
Square Box, 21 Cubic Inches, 4 Inch Square x 1-1/2 Inch Deep, 1/2 Inch and 3/4 Inch Knockouts, Pre-Galvanized Steel, For use with Conduit
Modified Industry Description
4 IN DRAWN SQUARE BOX, 1 1/2 DEEP, 1/2 AND 3/4 IN KNOCKOUTS, STEEL