High-security EVVA 4KS Cylinder with unique springless technology.

The technology of the 4KS cylinder is groundbreaking, as the curved mechanism operates without springs. Unlike conventional locking systems, in the 4KS cylinder, the locking components move along the curves of the key.

• 12 solid, spring-free pins that align correctly after checking the 6 curves of the key.
• A locking bar inside the cylinder body controls the correct profile.
• The key is scanned 4 times during locking.
• The springless system ensures resistance to corrosion and picking attacks.
• Reversible key with reproduction protection until 2035.
• Each locking mechanism is unique.
• Configurable with specific functions (pinned cylinder, double functionality).

The cylinder also includes:

• Protection against picking and bumping attacks.
• Protection against drilling with side bars.
• Protection against saws with hardened metal and modular construction.

The reversible key with curved ends is easy to handle, and the nickel-plated material offers high wear resistance. Recognizable features of the key include three wavy grooves with different depths, ensuring the secure operation of the mechanism.

Certification: EN-1303:2015.