Masonry Outlet Box Partitions: Type - Masonry Outlet Box; Material - Steel; Number of Gangs - 5; Depth in inch - 3.50; Height in inch - 3.75; Width in inch - 9.22; Capacity - cu-in - 105.0; Knockouts/Ea.Side-Ea.End-Bottom - (4)1/2-3/4E - (10)1/2-3/4E - (5)1/2-3/4E