Anvil Pewter Patina Night Vent Locking Fastener
This product is screw fitted and there is no need for trickle vents. The keep wiil, screw to a mullion with a 20mm flat, leaving more room for mouldings. They can be locked in the night vent and closed positions with a large headed allen key. The nylon washer behind the handle is designed to reduce friction.
Size: 5 3/8" x 1 3/4"
Fixing plate: 2 3/8" x 5/8"
Keep plate: 2 1/4" x 5/8"
For internal or external use.