Raco Octagonal Box, Number of Gangs: 1, Number of Knockouts: 2, Cable Entry: Knockout, Cubic Capacity: 15.5 cu-in, Housing Material: Steel, Gray, 4 in OAW, Overall Depth: 1-1/2 in, 7 in OAH, Bracket Mounting, Suitable for: Ceiling or Wall Lighting Fixture, Includes: (25) Octagonal Boxes