A 4 hook, 4 roller lock that was used predominately on PVCu doors made by Coldseal until the mid 2000's.
Operation: Lift lever or double spindle nightlatch.
Latch reversal: Undo the screw in the side of the lock case to remove the latch, reverse, reinsert and replace the screw.
- Centres: 95mm
- Case height: 234mm
- Case Depth: Backset + 17.5mm
- Overall length: 1951mm
- Distance between outer rollers: 1444mm
- Distance between inner rollers: 469mm
- Distance between inner hooks: 594mm