O-Z/Gedney Unilet® Device Box, Heavy Duty, Series: FSS, 2 Outlets, 1 Gang, 2 Knockouts, 1/2 in Knockout, 1/2 in Hub, Tapered Threaded Hub, Hub Cable Entry, Shallow, NEMA FB-1, 21 cu-in, Feraloy® Iron Alloy, Tri-Coated, Gray, 4-11/16 in H x 2-15/16 in W x 2-3/8 in D