This Europa GU multipoint door lock mechanism latch with deadbolt is one of the most cost effective 4 roller multipoint locks currently available. It is Lever lift. To reverse the latch push a flate bladed screwdriver into the small rectangular slot above the spindle and pull out the latch at the same time, reverse and reinsert. Features include: * Lock Centres: 92 mm * Backset: 45 mm * Case Height: 195 mm * Case depth: Backset + 18mm * Overall length: 2285mm * Distance between outer rollers: 1610mm * Distance between inner rollers: 670mm