Extendor range offer the following features to ensure
security, safety and ease of operation -
grille bar is fully enclosed with aluminium alloy
carriers and guides. This mechanism improves travel
of the bars and makes the unit longer lasting than
more common nylon mechanisms.
bolts lock the grille in 3 or 5 positions into the
head rail and track to secure the grille at the top
open, the grille can be locked in position for added
are no external rivets on the system which are usually
the point of attack for other systems.
from hacksaw & drill resistant components.