Hubbell Electrical Box, Cubic Capacity: 60 cu-in, Number of Gangs: 3, Number of Knockouts: 24, Knockout Size: (6) 1/2 in End, (4) 3/4 Inside, Cable Entry: Conduit, Galvanized Steel, Dimensions: 4-1/2 in L x 8-5/8 in W x 1-5/8 in D