- Innovative Anti-Snap Protection ASGARD, which blocks the cylinder when burglary is attempted
- NW4 key system Standard: EN 1303/ Key differs: 20 000 000, 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
- NW4/5 key system video presentation http://www.youtube.com/watch?v=O_lp5G9ItLM
- Video presentation MAUER NW6 ASGARD : https://www.youtube.com/watch?v=LV8tZNenlb0