Double cylinder deadlock, opened by key from outside and turn knob or key from the inside. Suitable for hinged or sliding doors and gates. 
Features
- Everbrass finish.
- Lockable internal knob with inbuilt clutching device.
- Strong interlocking case and mounting plate to resist jemmy and hammer attack.
- Positive deadlocking action.
- Suits door thickness 30-45mm.
- 60mm backset.
- Concealed fixing.
- Compatible with most restricted keying systems.