4" Square Welded Box NM Clamp FL Bracket 1-1/2" Deep ECC KO

Topaz's B8550 are 4" Square Steel Welded Boxes are 1-1/2" deep with (2) 1/2" and (1) 1/2" & 3/4" eccentric knockouts on the sides plus (1) 1/2" knockout on the bottom. This 21 cubic inch box features an NM Clamp and FL bracket.