Handy Box Extension - Steel, 4" x 2-1/8" x 1-7/8" D., 13 cu. in., eight 1/2" knockouts. UL listed. - Length: 4", Depth: 1-7/8", Width: 2-1/8", Material: Steel, Cubic Capacity: 13 cu in, Knockouts: (8) 1/2", Pkg Qty: 1 Also known as -Thomas & Betts...
