UNILETS Outlet Box, Number Of Outlet: 4, Material: Copperfree (4/10 Of 1 PCT Maximum) Aluminum, Size: 2 IN, Cable Entry: (4) 2 IN GRTX Hub, Cubic Capacity: 76 CU-IN, Knockouts: No, Cover Opening: 4.88 IN, Form Number: 3, Height: 5-3/4 IN