E1 with Knob, Nickel

Gerda is the best recognized security-related brand on the Polish market. Gerda E1 nickel-plated cylinder locks with a knob allow you to lock the room from the inside without the need for a key, a very convenient solution in many situations. If you are looking for a good and popular product from a well-known manufacturer you have come to the right place. WK E1 cylinders have been tested by the Institute of Precision Mechanics and obtained a 2nd class of security related to the key, for this the cylinder's durability is the highest according to PN-EN 1303:2015-07 - class 6, which means a minimum of 100,000 cycles. Corrosion resistance is declared in class B (the highest is class C). The manufacturer declares that they can be used in fire separations [ITB-KOT-2018/0132], but cannot be used in escape routes. A very wide range of symmetrical, asymmetrical and half models will allow easy installation in almost any door. In this group you will also find products equipped with a pinion instead of a taker. The package includes a mounting screw and 3 elegant incised keys with the Gerda logo.