Steel, 4" x 4" x 1-1/2" D., 22.5 cu. in. (8) 1/2" knockouts and (4) 3/4" knockouts on sides. UL (Underwriter's Laboratories) listed.
15pc Cobalt Bit Set Milwaukee$39.99
6pk 1/4 OD Compression Spring$4.49
4x1-1/2D FH Bracket Square Box$3.69
Krylon Gray Primer$6.99