Gerda PRO System X (WKM4Z) lock cylinder 30/50 gear, nickel, class 6 D, box

GERDA Pro System X Anti-Burglary Cylinder ? Unparalleled Door Security

The Gerda Pro System X anti-burglary cylinder is a high-security lock for your door, offering superior protection against intruders. This anti-bumping and anti-drilling cylinder safeguards your home with advanced technology. The GERDA cylinder has been tested by the Institute of Precision Mechanics in Warsaw according to the PN-EN 1303:2015-07 standard, achieving a classification of: 1 6 0 B 0 C 6 D. This GERDA Pro System X cylinder is approved for use in fire and smoke-resistant doors. Available in satin nickel and brass finishes, the GERDA Pro System X door cylinders are also offered with a knob, thumb turn (WKM4), and a gear (WKM4Z).

• Cylinder classification according to PN-EN 1303: 2015-07 standard: 1 6 0 B 0 C 6 D


• Certified by the Institute of Precision Mechanics


• Exceptional mechanism durability ? 6 pins, over 100,000 cycles


• Over 2,700,000 key code combinations


• Highest security class ? 6


• Highest burglary resistance ? Class C (high) according to KT/402/IMP/2014


• Superior corrosion and temperature resistance -20/+80 degrees Celsius ? Class C (highest)


• Attack resistance: Class D ? highest (5/10 min. drilling resistance, resistance to mechanical attack)


• Recommended for fire doors


• Anti-drilling protection (internal cylinder protected by a hardened steel plate)


• Anti-picking protection (two additional upper latches)


• Anti-bumping pins to prevent unauthorized opening


• Additional anti-burglary bar


• New double-diameter pins


• Includes 5 high-security keys, a code card, screw, and elegant packaging.

How to choose the right cylinder size?

Watch the video below.

Valued Customers, Please Choose Carefully

We are committed to your satisfaction and the highest safety standards. All of our certified cylinders are packaged in sealed boxes to guarantee their integrity and full functionality.

Due to the product's nature, we cannot accept returns of opened or damaged packaging, as these products cannot be re-sold.

Please carefully review the technical specifications and precisely measure your door dimensions before purchasing. If you have any questions or concerns, our team is here to assist you in choosing the right product.

Thank you for your understanding. We invite you to explore our offerings.