1154BC, 3, 24 x 18, Black Powder Coated Steel Corner Brace, Used For Reinforcing 90 Degree Angles By Application To The Inside Or Outside Of The Corner, Square Shape Provides Greater Area Of Stability For Wider Pieces Of Building Materials, Single Bolt Holes For Easy Installation, Rounded Corners Provide Clean Look, Thicknesses Of Material For Variety In Application Need, Boxed Loose