Outside Lever always fixed. Key retracts latchbolt only.
Inside Lever always free for immediate exit

LK Series

The LK Series is a quality residential and commercial cylindrical Knob-Lever set. A 70mm backset is supplied as standard. A 60mm latch or extension to 127mm are available as accessories.

LK Series locks are suitable for doors 35mm minimum to 46mm maximum thickness. Supplied in C4 6 pin and suitable for Masterkey and Restricted Systems.

Features and Benefits:

• Heavy duty spring return with additional “Anti Twist” stud fixing
• Non-handed field reversible for left or right handed doors
• 52mm heavy duty cylindrical chassis
• Fire rated
• 85mm diameter rose
• 54mm diameter round knob