2-1/2″ X 2-1/2″ X 3/4″ corner brace with no alignment tabs.
3-1/2″ 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.
3″ X 3″ X 7/8″ corner brace
3/4″ X 3/4″ X 3/8″ corner brace.