UNILETS FD Deep Depth 1-Gang Cast Device Box, Number Of Outlet: 1, Material: Copperfree (4/10 Of 1 PCT Maximum) Aluminum, Size: 3/4 IN, Cable Entry: (1) 3/4 IN Hub, Mounting: (2) 5/16 Diameter Lugs, Cubic Capacity: 25 CU-IN, Knockouts: