1-1/8″ X 1-1/8″ corner brace.
3″ X 1″ X 1″ corner brace
1-7/8″ X 5/8″ X 5/8″ corner brace
2″ X 3/4″ X 3/4″ corner brace
1-1/2″ X 3/4″ X 3/4″ heavy duty staple brace. Has thicker-than-standard walls.