Height: 4.875 *Knockout Size: *Material: PVC *Number in Package: 1 *Number of Gangs: 1 *Box Type: Ceiling/Wall *Number of Knockouts: *Packaging Type: Boxed *Product Type: Ceiling Box *Shape: Round *Sub Brand: Smart Box *UL Listed: Yes *Brand Name: Madison Electric *Weather Resistant: *Width: 4.875 *CSA Listed: *Capacity: *Color: Gray *Depth: 4 *Application: Installing over head lighting, wall sconces and smoke detectors *Diameter: *ETL Listed: Hold the box at a 5 to 7 deg. angle when you start drilling the hole *Once the perfect hole is cut, remove the saw blade from the box by releasing the blade leg tabs