Knob Cylinder

The AS profile knob cylinder is ideal for front doors. The door can be easily locked and opened from the inside without a key using the easy-to-hold rotatable knob fixed on one side of the cylinder. The knob cylinder also offers high-quality anti-drill protection, which protects the door from break-ins. This AS profile knob cylinder is fitted with a keyed-different system and comes with 3 corresponding keys.