Rockwood 576 Gravity Door Coordinator, Cast Brass With Fasteners, Non Handed

Rockwood 576 Gravity Door Coordinator, Cast Brass With Fasteners, Non Handed. Material: Cast Brass, The 576 Is For use on door sizes: with Astragal on active door - 18" to 48" with Astragal on inactive door - 18" to 34" with Astragal on both doors - 18" to 30". The Rockwood 576 Gravity Door Coordinator Is Non-handed reversible. Prevents the active door from closing until the inactive door is closed.