Keyed Alike Pair of Zoo 5 Lever British Standard Mortice Sash Lock - ERA Fortress Replacement - CE Marked
The Zoo 5 Lever British Standard Sash Lock is a great retrofit or replacement product. It is equivalent to the ERA Fortress (Red Case) mortice lock. It's CE Marked, and Insurance Company Approved. Extra Keys are also available. Keyed alike locks operate using the same key.Key Measurements
- Backset (two options) - 44.5mm or 57mm
- Case Width / Depth - 2.5inch (64mm) or 3 inch (76mm)
- Case Height - 109mm
How To Measure My Mortice Lock?
Please use the following guide to correctly measure your mortice lock to ensure you order the correct replacement.
A. Backset - The backset is measured by placing a tape measure or ruler from the centre of the keyhole to the forend of the mortice lock.
B. Case Width / Depth - The width of a mortice lock is measured by measuring the distance between the edge of the case and the edge of the forend.
C. Case Height - The case height of a mortice lock is measured by measuring the distance between the top left corner of the case to the bottom left corner of the case.