The 856 series features lift lever operation. It differs from
The 859 series which has split spindle nightlatch operation.
Operation: Lift lever.
Latch reversal: Undo the screw in the side of the lock case adjacent to the latch. Remove the latch, reverse, reinsert and repace the screw.
- Centres: 92mm
- Case height: 195mm
- Case depth: Backset + 18mm
- Overall length: 2170mm
- Distance between outer rollers: 1510mm
- Distance between inner rollers: 699mm