Industry Description
Features:1 1/2IN Depth, For 4 IN Boxes, (2) 1/2 IN, (2) 3/4 IN Knockout, Standard:UL, Material:Steel, Cubic Capacity:15.5CI
Modified Industry Description
4 X 4 X 1 1/2 IN OCTAGON EXTENSION RING, 1/2 & 3/4 IN KO, STEEL