For openings with center hung glass doors, universal header brackets extend the lock mounting surface of 4″ and 4.5″ aluminum frames. Brackets are pre-drilled and tapped with wire chase.
UB11V Security Door Controls (SDC) Maglock Parts and Accessories
Universal Header Bracket, Bracket for 1511, 1513, 1571, 1″ by 1″ by 11″, Satin Aluminum Clear Anodized
$57.51