- The British Standard High Security Nightlatch meets the new BS 3621:2004 standard, which meet the exacting demands of the insurance companies and the police
- The main lock bolt is 'automatically' deadlocked when the door is closed, preventing the main bolt being retracted by a credit card
- The inside handle can be deadlocked by an anti-clockwise turn of the key from the inside so securing the lock against forced entry
- The bolt can be held in the withdrawn position (only) with the use of the snib feature
- This product is ideal for solid and glass panelled doors
- Features a 20mm bolt throw
- Interior & Exterior
- Material: Zinc Alloy
- Fixings included
- 10 year guarantee and warranty