2″ X 3/4″ X 3/4″ corner brace.
5/8″ X 5/8″ corner brace.
2″ X 1″ X 1″ corner brace.
1-1/2″ X 3/4″ X 3/4″ heavy duty staple brace. Has thicker-than-standard walls.
3″ X 1″ X 1″ corner brace