2″ X 3/4″ X 3/4″ corner brace.
3-1/4″ X 1″ X 1″ corner brace
1-1/2″ X 3/4″ X 3/4″ heavy duty staple brace. Has thicker-than-standard walls.
2-3/4″ X 3/4″ X 3/4″ corner brace.
3″ X 9/16″ X 9/16″ corner brace.