DF05 is a spring-loaded, height-adjustable mechanical Defender® to compensate for height differences during installation if the exact thickness of the door panel is not known at the time of purchase. It consists of a steel Defender® with a sheet metal escutcheon (65 x 90 mm), available in 2 heights and 3 security versions (B/C/I).
The keyway is protected by a chrome-plated steel rotating washer and the aluminium escutcheon cover is available in 2 finishes.
