- NW4 Key system.Standard: EN 1303/ Key differs: 20 000 000
- NW4 system, including 4 types of decoding elements: a roller in the key - basic active row of pins; side row of pins; a wave channel in the key
- Anti-bumping and anti-drilling protection / Patented anti-breaking protection /Patented additional protection of the cylinder and the key
- Cerification: SKG***