The EVVA 3KSplus 3-curve system stands out due to its unique, patented, springless operating principle. Unlike conventional locking systems, in the 3KSplus cylinder the locking elements move along the curves on the key and are not driven against a spring force.
| Make | EVVA |
|---|---|
| Manufacturer | EVVA |
| Model code | 3KSplus |
| Additional info | The EVVA 3KSplus 3-curve system stands out due to its unique, patented, springless operating principle. Unlike conventional locking systems, in the 3KSplus cylinder the locking elements move along the curves on the key and are not driven against a spring force. |