- Nightlatch function operated by a half set of levers on the inside to retract the latchbolt. - Single cylinder on the outside operates the latchbolt with a single key turn. - Hold-back function operated by snib in the forend. Not CE marked.
Forend Width - 20mm Forend Height - 235mm Centres - 72mm Backset - 60mm - 60mm backset and 72mm centres in line with guidance of BS 8300. - Dimensional co-ordination across the range to DIN 18251 means lock functions can be easily interchanged and doors can be factory prepared. - Quick reversible latch for easy on-site handing. - Double throw cylinder action. - Suitable for bolt through furniture fixings at 38mm centres. - CE marked (except 5550 nightlatch). - Tested to EN 12209. - EN 1634 fire testing for 1 hour timber fire doors. - EN 1634 fire testing for 4 hour steel fire doors. - Certifire Approved CF741. - 5 year guarantee.