3″ X 1″ X 1″ corner brace
4″ X 5/8″ X 5/8″ corner brace.
1″ X 1″ X 1″ corner brace
Corner Brace 2-1/2″ X 2-1/2″ X 3/4″.
2-3/4″ X 3/4″ X 3/4″ corner brace. Staple in place.