

- Cross section of DUAL Cylinder (click to enlarge)
DUAL (Double Code System) is a sturdy reversible key system. Coding takes place via two separate features:
- a locking pin system
- and a length profile.
During the locking action, the position of 12 spring-mounted locking pins is scanned using 2 locking sliders.
- Reversible key
- Robust key design
- Optimum technical protection (copy protection), organisational protection (security card) and legal key protection (patents).
- Modular design