2-1/2″ x 2-1/2″ x 3/4″ (w/ Tabs) Staple in place
1″ X 1″ X 1″ corner brace
1-7/8″ X 5/8″ X 5/8″ corner brace – staple in place
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. Screw in place using #8 panhead screws ( not supplied )