Steel Switch Box, Ivory, 15.5 Cu.In Capacity, 1 Gang, Rectangular, Knockout Cable Entry, 1/2 to 3/4 In (Concentric Knockout Side);1/2 to 3/4 In (Concentric Knockout End);1/2 to 3/4 In (Concentric Knockout Bottom) Knockout Size, 10 Knockouts, Screw Mount, 3-3/4 In Length, 1-15/16 In Width, 2-1/2 In Height, 63 LB/100