Steel City® 53151-1/2 1-Outlet Extension Ring, 4 in L x 4 in W x 1-1/2 in D, Steel

Steel City® Extension Ring, 1-Outlet, 1/2 in Knockout, 4 in Length, 4 in Width, 1-1/2 in D, Squared, Knockout Cable Entry Size, 21 cu-in, Steel, Pre-Galvanized, Silver