Knob cylinder class B K30-55

• high level of burglary protection

• 6 valve pins

• special shape of the lock cylinder to ensure the durability of the cylinder

• nickel-plated hardened cylinder pins

• brass and steel housing pins

• anti drilling protection

• two colour versions: nickel and brass

• anti-picking' protection

• Highest security level of key code 6

• Highest degree of resistance to attack 2

• high degree of resistance B

Highest durability 6 - 100.000 cycles

Approval for use in fire-resistant doors