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.

Specifications

• Centres: 92mm
• Case height: 195mm
• Case depth: Backset + 18mm
• Overall length: 2170mm
• Distance between outer rollers: 1510mm
• Distance between inner rollers: 699mm