Size: 1-1/2" Width X 8-1/4" X 8-1/4" LengthsThickness: 1/4"Material: SteelFinish: Black Powder CoatedUsed For Reinforcing 90 Degree Angles By Applying To The Inside Or Outside Of The CornerSlots To Accommodate For 5/16" Carriage BoltsBlack Powder Coat Finish For Improved Weather Resistance